id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_dvjvdhrkf5drtgiododl2w4opa	Joy Wan	Reliability and Validity of a Photographic Method for Measuring Facial Hair Density in Men	2011.0	2	.pdf	application/pdf	1862	163	59	M any studies have investigated hair removal orgrowth prevention treatments, but they of-ten measure hair density using noninvasive photographic and digital hair-counting methods have been used in a hair growth prevention treatment trial and assess its reliability and validity. assessment (PGA) score for hair density of 4 or 5 in the hairs in all photographs to assess interrater reliability Our hair counting method demonstrates excellent interrater and intrarater reliability as well as construct validity based on its ability to discriminate categories of a PGA.3 In contrast to other methods, our approach assessment scales, which may be too qualitative for clinical trials.1 Moreover, it is less tedious and labor intensive than the manual collection, counting, and weighing of hair.4 Although automated methods such as the Wan and Steinemann and Drs Abuabara, Kurd, Musiek, Abuabara and Kurd) and Center for Clinical Epidemiology and Biostatistics (Dr Gelfand), University of Pennsylvania Perelman School of Medicine, Philadelphia; and	./cache/work_dvjvdhrkf5drtgiododl2w4opa.pdf	./txt/work_dvjvdhrkf5drtgiododl2w4opa.txt