bigram

This is a table of type bigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.

bigram frequency
acute respiratory176
coronavirus disease173
novel coronavirus169
respiratory syndrome134
severe acute114
risk factors109
systematic review96
spike protein92
syndrome coronavirus88
older adults86
present study86
intensive care80
perceived stress73
clinical characteristics72
severe covid71
spinal cord71
converting enzyme66
brain injury64
respiratory distress60
health care58
clin med58
jcm sha58
doc id58
med doi58
cord uid58
traumatic brain57
incubation period57
stim group53
induced asthma53
major epidemic53
immune response49
heart failure49
critically ill49
mesenchymal stem48
cohort study48
asthma exacerbations48
distress syndrome47
viral infection47
hospitalized patients47
epithelial cells46
clinical features46
hospital admission46
prehospital intubation46
world health45
kidney transplant45
authors declare45
higher risk44
increased risk44
pulmonary disease43
clinical course42
statistically significant42
care unit42
clinical practice42
public health42
mechanical ventilation41
microbiota transplantation41
health organization40
chronic obstructive40
obstructive pulmonary40
qt interval39
disease severity39
cardiovascular disease39
inflammatory syndrome38
angiotensin ii38
employment status38
general population38
blood pressure38
transplant recipients38
diabetes mellitus37
stem cells37
immune system37
vr exercise37
inflammatory cytokines37
prolonged qtc37
mental health36
lopinavir ritonavir36
cardiac rehabilitation36
performed using36
two groups36
multisystem inflammatory36
ill patients36
available online36
significantly higher35
rbd domain35
cytokine storm35
igm iga35
significant differences35
lung injury35
control group35
among patients35
logistic regression34
several studies34
cord injury34
viral rna34
united states33
inflammatory response33
case series33
confirmed cases33
spike glycoprotein33
open access33
continuous variables33
creative commons32
access article32
commons attribution32
patients infected32
observational study32
respiratory failure32
article distributed32
weight loss31
previous studies31
copd patients31
risk factor31
job satisfaction31
emergency department31
icu transfer31
data collection30
derived evs30
airway inflammation30
fecal microbiota30
gut microbiota30
infected patients30
global score30
exported cases30
randomized controlled30
middle east30
physical activity30
sample size30
exercise capacity30
significantly associated30
sestamibi uptake29
informed consent29
illness onset29
viral infections29
outside china29
east respiratory29
one year28
study population28
travel volume28
sexual activity28
robotic colonoscope27
human transmission27
controlled trial27
categorical variables27
patients without27
virtual reality26
endothelial cells26
ace receptor26
factors associated26
myocardial infarction26
reactive protein26
like lesions25
new york25
qtc interval25
recent study25
ischemic stroke25
mouse model25
higher levels25
skin lesions25
least one25
ng ml24
aceis arbs24
social distancing24
cardiovascular diseases24
normal range24
receptor blockers24
growth factor24
lower limb24
pregnancy complications24
clinical data24
clinical trial24
supplementary materials24
respiratory tract24
patients admitted23
mean age23
baseline characteristics23
ongoing outbreak23
kidney disease23
machine learning23
mtc sestamibi23
clostridium difficile23
ktx recipients23
preventive measures23
year post22
trimer cavity22
artificial intelligence22
clinical trials22
respiratory disease22
parathyroid carcinoma22
robotic colonoscopes22
patients treated22
family members22
difficile infection22
heart disease22
arterial hypertension21
older age21
time delay21
clinical outcomes21
cause mortality21
coronavirus infection21
nasopharyngeal swab21
mortality rate21
rehabilitation program21
high risk21
cord stimulation21
myocardial injury20
health outcomes20
infectious disease20
disease progression20
transplant recipient20
retrospective cohort20
median time20
os max19
basic reproduction19
systematic reviews19
regression analysis19
high levels19
stem cell19
igg index19
virus infection19
pregnant women19
patients hospitalized19
pilot study19
acute lung19
psychological distress19
vascular invasion19
also reported19
confidence interval19
reproduction number19
study protocol19
wet market19
molecular mimicry19
mitochondrial dysfunction19
significant difference19
chi square18
taste bud18
exponential growth18
immune cells18
derived exosomes18
stand training18
emotional stability18
antibody titers18
oxidative stress18
pulmonary rehabilitation18
statistical significance18
related quality18
police employees18
host cell18
icu admission18
severe cases18
retrospective study18
cr program18
severe disease18
asthma exacerbation17
study design17
faecal microbiota17
coping strategies17
chain reaction17
medical care17
human coronavirus17
bone marrow17
temporally associated17
italian population17
older patients17
square test17
infected pneumonia17
cardiac injury17
future studies17
exclusion criteria17
inclusion criteria17
market exposure17
time points17
elderly patients17
standard deviation17
polymerase chain17
epidemic peak17
viral load17
years old17
biliary stenting17
viral shedding16
wuhan residents16
fatality rate16
may also16
aldosterone system16
ethics committee16
smoking history16
several women16
may lead16
swab specimens16
health system16
clinical management16
cxr global16
lymphocyte count16
psychiatric problems16
obese class16
patients diagnosed16
sars coronavirus16
outcome measures16
another study16
biliary stents16
confirmed covid16
atypical pneumonia16
significantly lower16
ace expression15
angiotensin converting15
new coronavirus15
university hospital15
regression model15
disseminated intravascular15
colorectal cancer15
salivary swab15
multisystem syndrome15
candidate pathogen15
crp levels15
infectious diseases15
statistical analysis15
pregnancy loss15
solid organ15
transmission dynamics15
term care15
vital signs15
motor complete15
bat sars15
movement disorder15
coronary artery15
computed tomography15
sestamibi spect15
inflammatory multisystem15
odds ratio15
exercise training15
psychological impact15
obese subjects15
amino acid15
two weeks15
aldosterone levels15
syndrome temporally15
lower rpcp15
systemic inflammation15
motor ability15
clinical studies15
multivariate analysis15
sexual partner15
analyzed using15
disease control15
south korea14
adipose tissue14
wii fit14
peer review14
organ transplant14
dimer levels14
adverse events14
sectional study14
angiotensin receptor14
significant increase14
healthcare workers14
type diabetes14
iga index14
tissue damage14
metabolic syndrome14
median age14
cell receptor14
progression group14
receptor binding14
higher prevalence14
intravascular coagulation14
data analysis14
injury severity14
improvement stabilization14
case fatality14
palliative care14
study conducted14
considered statistically14
inflammatory mediators14
laboratory tests14
severe traumatic14
respiratory symptoms14
minority communities14
important role14
determine whether14
one participant13
respiratory diseases13
european society13
airway epithelial13
severe clinical13
koch institute13
related factors13
binding domain13
general health13
dendritic cells13
recurrent pregnancy13
corona virus13
emergency departments13
supplementary table13
robert koch13
body mass13
one patient13
syncytial virus13
license key13
research received13
mildly symptomatic13
two patients13
control women13
respiratory syncytial13
infected cases13
motor control13
chronic respiratory13
invasive mechanical13
office visits13
ulcerative colitis13
mass index13
heart rate13
coronavirus pneumonia13
literature review13
also found12
respiratory rate12
stabilization group12
positive anti12
linear regression12
fatal course12
patients reported12
healthy lifestyle12
chronic heart12
weight management12
nitric oxide12
body weight12
european countries12
ebola virus12
european association12
cardiac disease12
may contribute12
outcomes among12
current study12
coronavirus outbreak12
case reports12
primary outcome12
kawasaki disease12
based cardiac12
sars cov12
th centile12
based cr12
secondary prevention12
better understanding12
md simulations12
minority populations12
epidemic curve12
chronic kidney12
class iii12
clinical status12
rna viruses12
high level12
gas exchange12
time series12
patients affected12
physical exercise12
previous research12
table shows12
higher compared12
first case12
paediatric inflammatory12
olfactory epithelium12
one study12
platelet counts12
kcdc classification12
social dysfunction12
coronavirus infections12
cov infection12
avoidance coping12
chronic diseases12
adult inpatients12
hospitalized covid12
novel pathogen12
hypertensive patients12
acute myocardial12
laboratory testing11
york city11
small sample11
hamming distance11
predictive value11
high perceived11
consecutive patients11
prolonged qt11
transfer within11
behavioural skills11
organ dysfunction11
positively correlated11
analysis revealed11
independently associated11
brain tissue11
emergency room11
former smokers11
national institute11
endothelial cell11
previous losses11
severe course11
pneumonia outbreak11
magnetic field11
available information11
cecal intubation11
optical coherence11
exercise interventions11
employment rates11
critical care11
orf ab11
global pandemic11
symptomatic patients11
higher mortality11
disease course11
previous reports11
candidate pathogens11
white blood11
euclidean distance11
protective effect11
lung ultrasound11
cardiac function11
systemic arterial11
medical records11
serological tests11
injury patterns11
prospective cohort11
recurrent cdi11
interquartile range11
prothrombin time11
nucleocapsid protein11
type i11
real time11
induced lung11
medical center11
wuhan city11
global health11
humoral immune11
immersive vr11
igg antibodies11
ali ards11
patient management11
among older11
biliary stent11
univariate analysis11
minimally invasive11
ct values11
current outbreak11
prehospital setting11
clinical symptoms11
secondary cases11
high rate11
many studies11
icu stay11
pg ml11
ml kg11
blood cell11
sexual intercourse11
early stages11
prognostic factors11
upper respiratory10
viral antigens10
enzyme inhibitors10
socioeconomic status10
cardiac involvement10
therapeutic interventions10
platelet count10
motor scores10
publicly available10
aged years10
study reported10
care facilities10
walk test10
lus global10
related complications10
healthcare services10
fire brigade10
unknown etiology10
large number10
previous study10
stent related10
premorbid psychiatric10
studies showed10
promising results10
neutralizing antibodies10
feature vectors10
even though10
motor symptoms10
diagnosed outside10
seafood market10
severe form10
infected person10
dependent variable10
volume reduction10
time point10
reported cases10
available data10
bile duct10
seven days10
study period10
task force10
detection rate10
th percentile10
early stage10
ii receptor10
among minority10
scientific community10
severe coronavirus10
remote monitoring10
advanced age10
ivig alone10
care workers10
atrial fibrillation10
test set10
inflammatory bowel10
bud cells10
health disparities10
ill covid10
cardiovascular risk10
health authorities10
blood flow10
cellular senescence10
respiratory support10
renal failure10
clinical deterioration10
paris fire10
intestinal microbiota10
transmission risk10
controlled trials10
lower levels10
coherence tomography10
capsule endoscope10
statistical computing10
ace receptors10
many women10
septic shock10
extracellular vesicles10
statistical analyses10
cancer screening10
digital health10
patients showed10
rna polymerase10
antithrombin activity10
healthcare professionals10
exercise program10
external funding10
influenza virus10
epidemic size10
overall complications10
may result10
epidemiological characteristics10
first step10
case report10
right truncation10
see table10
virtual screening10
type ii10
human coronaviruses10
longitudinal study10
health professionals10
proliferation index10
serum levels10
chest ct10
functional capacity10
focused coping10
natriuretic peptide9
virus disease9
may increase9
medical staff9
one comorbidity9
written informed9
tomography angiography9
respiratory infection9
two different9
normal distribution9
exact test9
study clinical9
livedo reticularis9
published version9
acute phase9
hrv infection9
derived mvs9
mortality rates9
observational studies9
parathyroid adenoma9
selection bias9
limited access9
closely related9
acquired brain9
interval prolongation9
reactive oxygen9
tested positive9
cholangitis complicating9
diagnostic criteria9
vascular leakage9
class imbalance9
transcutaneous spinal9
acute kidney9
primary endpoint9
author contributions9
care units9
sirt activator9
physical health9
baseline qtc9
muscle activity9
tca cycle9
treatment options9
secondary rpl9
recent years9
cumulative number9
environmental factors9
induced inflammation9
ischemic heart9
less severe9
results suggest9
kidney transplantation9
pediatric patients9
lifestyle changes9
missing data9
mitochondrial dna9
disease patients9
clinical manifestations9
lower limbs9
endotics system9
infected individuals9
adult patients9
gold standard9
one sub9
final model9
close contact9
multiple organ9
time period9
still unclear9
social determinants9
healthy food9
bowel disease9
data collected9
possible association9
cardiovascular system9
patients stated9
three different9
oxygen species9
porcine colon9
confidence intervals9
funnel plot9
working channel9
respiratory viruses9
chronic disease9
coma scale9
molecular mechanisms9
complicating choledocholithiasis9
current situation9
cognitive functioning9
may play9
vivo tests9
potential risk9
capsule endoscopy9
system inhibitors9
recent meta9
patient groups9
might also9
recent studies9
test results9
huanan seafood9
expected number9
causative agent9
original magnification9
old man9
study showed9
lung diseases9
emg activity9
therapeutic target9
daily life9
patients requiring9
nervous system9
unreported cases9
among others9
pcr results9
hospital treatment9
prognostic value9
trait anxiety9
per week9
molecular dynamics9
gastrointestinal tract9
treatment strategies9
health status9
neutrophilic airway9
cell entry9
included studies9
disease clinical9
vascular endothelial9
long term9
additional information9
psychopathological symptomatology9
oxygen saturation9
reduced travel9
group compared9
studies included9
acei arb9
among emergency9
social support9
biliary colic9
cell death9
severely ill8
corticosteroid therapy8
two participants8
behaviour change8
diabetic patients8
left ventricular8
clinical conditions8
satisfaction among8
host cells8
induced acute8
induced coagulopathy8
may impact8
pcr tests8
disease prevention8
high prevalence8
coping styles8
different time8
least two8
arb group8
three times8
internal locus8
healthy subjects8
beneficial effects8
mortality among8
inflammatory cells8
retrospective analysis8
kidney injury8
beneficial effect8
marital status8
organ failure8
adjusted normal8
glasgow coma8
among covid8
significant decrease8
robotic colonoscopy8
gestational diabetes8
human bone8
psychological outcomes8
th cells8
health systems8
lower respiratory8
maternal obesity8
cell count8
human respiratory8
recurrent clostridium8
prolonged prothrombin8
severe respiratory8
infection rate8
individual patient8
wide range8
pneumocytes type8
intervention strategies8
gastrointestinal symptoms8
well established8
cerebral artery8
pd networks8
laboratory parameters8
previously reported8
care system8
nine patients8
different levels8
point likert8
assisted colonoscopy8
transplanted patients8
lose weight8
adverse outcomes8
donor selection8
complications rate8
effective treatment8
stromal cells8
descriptive statistics8
lung disease8
mild symptoms8
health risks8
protein levels8
propensity score8
patients presented8
regression analyses8
mild cases8
room air8
studies reported8
tumor necrosis8
necrosis factor8
week follow8
term biliary8
receiver operating8
monomer form8
ordinal scale8
stent insertion8
sociodemographic variables8
big five8
cerebrovascular disease8
current status8
personality traits8
comorbidity index8
innate immunity8
pneumonia cases8
year follow8
differential diagnosis8
previous treatment8
relatively low8
virus transmission8
psychological traits8
tbi severity8
infection rates8
limitations due8
antibody responses8
comparative analysis8
also shown8
nursing staff8
inflammatory markers8
five mwts8
therapeutic strategy8
cell proliferation8
wuhan clinical8
viral proteins8
adenoma detection8
renal function8
renal transplant8
blood glucose8
demographic characteristics8
nucleic acid8
medical history8
robotic capsule8
parathyroid lesions8
confounding factors8
charlson comorbidity8
low perceived8
endothelial dysfunction8
neuromuscular disorder8
protease inhibitor8
transmission events8
peripheral arterial8
several limitations8
clinical signs8
findings suggest8
angiotensin system8
existing comorbidities8
optimal donor8
average thickness8
icu patients8
umbilical cord8
well informed8
recently reported8
higher rates8
arterial disease8
patients also8
imb model8
airway remodeling8
animal models8
less likely8
hubei province8
alveolar macrophages8
time intervals8
permanent magnet8
vast majority8
role limitations8
respiratory illness7
first half7
mitochondrial transfer7
first seven7
commercially available7
complete spinal7
million people7
future research7
retrospective observational7
chinese population7
serious injuries7
ace protein7
suspected covid7
hypoxemia index7
term outcomes7
plasma membrane7
many patients7
review board7
human proteins7
systolic blood7
human cells7
traditional exercise7
mg dl7
social media7
italian version7
hospital discharge7
coronavirus covid7
possible explanation7
cr programs7
assessed using7
occupational therapy7
qualitative study7
cerebrovascular diseases7
social contacts7
low bias7
protective effects7
patient characteristics7
normotensive patients7
multicenter study7
rank test7
signaling pathways7
magnetic actuation7
possible role7
almost half7
brain natriuretic7
skin biopsies7
successive pregnancy7
olfactory sensory7
observed among7
data reported7
total number7
healthcare systems7
exposure history7
medical conditions7
working group7
single center7
epidemiological impact7
national health7
membrane fusion7
therapeutic potential7
risk patients7
oncologic diseases7
glycemic control7
flow index7
functional impairment7
hospital mortality7
previously observed7
second half7
demographic data7
stool donor7
independent predictors7
patients compared7
ethnic disparities7
sars epidemic7
transplant patients7
pcr testing7
zoonotic spillover7
organ transplantation7
bias due7
calculated using7
taste perception7
hypothetical model7
study covid7
nurse specialists7
serum il7
corrected qt7
pcr assay7
metabolic diseases7
reporting rate7
patients younger7
icu care7
care facility7
limited number7
data showed7
control unit7
multivariate logistic7
large population7
commonly used7
current evidence7
endothelial damage7
mimicry phenomena7
patients suffering7
emergency physicians7
requiring limc7
significant predictors7
significantly different7
coronavirus sars7
cases diagnosed7
stress scale7
severity score7
direct immunofluorescence7
peripheral blood7
fecal material7
olfactory neurons7
potential role7
control study7
radial peripapillary7
potential confounders7
asymptomatic patients7
critical role7
pulmonary fibrosis7
disease outbreak7
oxygen supplementation7
cause death7
average age7
interim guidance7
poor health7
respiratory specimens7
positive cells7
medical resources7
mild covid7
severe asthma7
table reports7
occupational exposure7
training set7
pulmonary embolism7
study date7
peak vo7
one hundred7
inflammatory cytokine7
pulmonary vascular7
worse prognosis7
contact tracing7
emergency medicine7
employment outcome7
heart association7
based rehabilitation7
immune responses7
high mortality7
myocardial ischemia7
key role7
respiratory infections7
confirmed sars7
practice guidelines7
preventive cardiology7
movement restrictions7
may represent7
among women7
hsp chaperones7
adaptive immune7
four patients7
patients included7
cutaneous lesions7
diagnostic tool7
data set7
endoscopic capsule7
rsv infection7
moderate cases7
overt dic7
isncsci motor7
sufficiently informed7
study found7
group showed7
human ace7
side effects7
complication alone7
greater risk7
specific antibodies7
updrs iii7
ki positive7
class ii7
related injuries7
randomized clinical7
organ involvement7
alveolar epithelial7
randomized trial7
psychological support7
deceased patients7
primary case7
prospective studies7
significant positive7
troponin i7
patients whose7
observed characteristics7
burnout syndrome7
bouncing spring7
coronavirus associated7
control measures7
sectional survey7
patients using7
phylogenetic analysis7
increased mortality7
classification i7
drug discovery7
motor threshold7
infections among7
based robotic7
clinical study7
traumatic stress7
potential therapeutic7
ritonavir treatment7
using spss7
exercise programs7
hong kong7
complications due7
deceased cases7
serum creatinine7
current knowledge7
fatal cases7
excised porcine7
one week7
invasive ventilation7
similar results7
sirt activation7
higher level7
set consisted7
yet available7
muscle strength7
total score7
orthodontic treatment7
life support7
interstitial pneumonia7
time window7
american college7
lactate dehydrogenase7
antiviral drugs7
glucose levels7
time employment6
insulin sensitivity6
via ace6
asymptomatic carriers6
small numbers6
growing number6
reduced probability6
given available6
positive rt6
deep learning6
obese mice6
viral replication6
ncov infection6
currently available6
elevated troponin6
frequently used6
dpp i6
italian normative6
sequence alignment6
disorder society6
essential workers6
viral entry6
human body6
inpatient treatment6
dermal vessels6
significantly reduced6
health commission6
antiplatelet therapy6
spectrum endoscopy6
current restrictions6
lower rates6
may occur6
nursing professionals6
five percent6
required intensive6
sex life6
age groups6
cell activation6
ischemia reperfusion6
rf model6
positively associated6
coronavirus nl6
viral spike6
inflammatory drugs6
quality assessment6
first follow6
health interventions6
cavity formed6
histopathological characteristics6
mitochondrial biogenesis6
state anxiety6
lipid mediators6
per year6
pulmonary infiltrates6
cardiovascular disorders6
cognitive impairment6
time reverse6
natural history6
situation reports6
likert scale6
mobile balloon6
require mechanical6
binding affinity6
two consecutive6
inflammatory effects6
common bile6
data suggest6
allergic rhinitis6
based exercise6
olfactory bulb6
without cvd6
dry cough6
acute coronary6
protective equipment6
stim participants6
male patients6
behavioral skills6
liver enzymes6
receptor recognition6
inflammatory disease6
significant reduction6
without copd6
rhinovirus infection6
blood tests6
younger patients6
prior history6
baseline ecg6
serological testing6
treadmill exercise6
elisa assay6
cardiac arrest6
also possible6
clinical research6
significant improvements6
nursing homes6
dependent enhancement6
north italy6
mm dtt6
daily number6
optimal threshold6
prolonged viral6
fitting results6
infected people6
psychological variables6
antihypertensive treatment6
patients received6
serological assays6
predominantly male6
colonic wall6
rpcp fi6
time estimation6
functional receptor6
poor prognosis6
institutional review6
oral mucosa6
patient level6
psychopathological symptoms6
controlled study6
required mechanical6
substantial human6
crucial role6
acid substitutions6
great interest6
pathophysiological mechanisms6
infection may6
remote patient6
rheumatoid arthritis6
common cold6
flexible colonoscopes6
san diego6
positive igg6
may help6
bat coronaviruses6
inflammatory state6
administrative departments6
regression models6
diagnostic workup6
severe patients6
ce mark6
acei group6
pdb id6
stress disorder6
viral loads6
different viral6
mainland china6
mean incubation6
clinical information6
scooter accidents6
epidural stimulation6
age adjusted6
high blood6
series differences6
thromboembolic complications6
psychological responses6
unexplained rpl6
early transmission6
position statement6
better understand6
cytokine production6
ptsd symptomatology6
scale ranging6
viral genome6
robotic flexible6
basic experiments6
genome sequences6
rnfl average6
maximum likelihood6
gi tract6
viable virus6
association among6
viral clearance6
sensory neurons6
stranded rna6
known pathogens6
tract infections6
critical illness6
php patients6
territorial areas6
alveolar epithelium6
parkinson disease6
severity scores6
model performance6
meier survival6
less frequently6
associated factors6
mean values6
time interval6
composite endpoint6
adhesion molecules6
entry screening6
dental monitoring6
outbreak characteristics6
severe complications6
cohort studies6
previous pregnancy6
sexual health6
using vr6
pandemic outbreak6
least days6
somatic symptoms6
peripapillary capillary6
epidural spinal6
ts mis6
training alone6
pulmonary function6
secondary infection6
parathyroid histotypes6
became afebrile6
qualitative research6
bat origin6
highly conserved6
reperfusion injury6
structural proteins6
gender differences6
may affect6
aldosterone level6
significantly improve6
vocational rehabilitation6
full model6
health benefits6
health emergency6
preconception health6
multidisciplinary cr6
mean difference6
high sensitivity6
zoonotic transmission6
standard deviations6
distance walked6
model systems6
intervention strategy6
shown promise6
coping strategy6
employment probability6
pathological conditions6
human cd6
central nervous6
study using6
initial spo6
pregnancy complication6
liver disease6
coagulation disorders6
cardiac fibrosis6
plasminogen activator6
term progression6
roc curve6
near future6
case definition6
among police6
two major6
lung function6
absolute lymphocyte6
current sars6
stable psychological6
symptom onset6
burnout among6
antihypertensive drugs6
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