id sid tid token lemma pos ng451g07r3k 1 1 this this DET ng451g07r3k 1 2 dissertation dissertation NOUN ng451g07r3k 1 3 addresses address VERB ng451g07r3k 1 4 four four NUM ng451g07r3k 1 5 specific specific ADJ ng451g07r3k 1 6 issues issue NOUN ng451g07r3k 1 7 : : PUNCT ng451g07r3k 1 8 modeling modeling NOUN ng451g07r3k 1 9 of of ADP ng451g07r3k 1 10 the the DET ng451g07r3k 1 11 vertebral vertebral ADJ ng451g07r3k 1 12 endplate endplate NOUN ng451g07r3k 1 13 , , PUNCT ng451g07r3k 1 14 mesh mesh NOUN ng451g07r3k 1 15 generation generation NOUN ng451g07r3k 1 16 for for ADP ng451g07r3k 1 17 human human ADJ ng451g07r3k 1 18 vertebrae vertebrae PROPN ng451g07r3k 1 19 , , PUNCT ng451g07r3k 1 20 material material NOUN ng451g07r3k 1 21 property property NOUN ng451g07r3k 1 22 variation variation NOUN ng451g07r3k 1 23 in in ADP ng451g07r3k 1 24 vertebral vertebral ADJ ng451g07r3k 1 25 trabecular trabecular ADJ ng451g07r3k 1 26 bone bone NOUN ng451g07r3k 1 27 , , PUNCT ng451g07r3k 1 28 and and CCONJ ng451g07r3k 1 29 modeling model VERB ng451g07r3k 1 30 spinal spinal ADJ ng451g07r3k 1 31 fusions fusion NOUN ng451g07r3k 1 32 in in ADP ng451g07r3k 1 33 rabbits rabbit NOUN ng451g07r3k 1 34 . . PUNCT ng451g07r3k 2 1 the the DET ng451g07r3k 2 2 objective objective NOUN ng451g07r3k 2 3 of of ADP ng451g07r3k 2 4 this this DET ng451g07r3k 2 5 study study NOUN ng451g07r3k 2 6 was be AUX ng451g07r3k 2 7 to to PART ng451g07r3k 2 8 develop develop VERB ng451g07r3k 2 9 and and CCONJ ng451g07r3k 2 10 validate validate VERB ng451g07r3k 2 11 techniques technique NOUN ng451g07r3k 2 12 for for ADP ng451g07r3k 2 13 subject subject ADJ ng451g07r3k 2 14 - - PUNCT ng451g07r3k 2 15 specific specific ADJ ng451g07r3k 2 16 finite finite NOUN ng451g07r3k 2 17 element element NOUN ng451g07r3k 2 18 modeling modeling NOUN ng451g07r3k 2 19 and and CCONJ ng451g07r3k 2 20 analysis analysis NOUN ng451g07r3k 2 21 of of ADP ng451g07r3k 2 22 spinal spinal ADJ ng451g07r3k 2 23 constructs construct NOUN ng451g07r3k 2 24 . . PUNCT ng451g07r3k 3 1 while while SCONJ ng451g07r3k 3 2 models model NOUN ng451g07r3k 3 3 have have AUX ng451g07r3k 3 4 been be AUX ng451g07r3k 3 5 applied apply VERB ng451g07r3k 3 6 to to PART ng451g07r3k 3 7 analyze analyze VERB ng451g07r3k 3 8 whole whole ADJ ng451g07r3k 3 9 bones bone NOUN ng451g07r3k 3 10 and and CCONJ ng451g07r3k 3 11 bone bone NOUN ng451g07r3k 3 12 - - PUNCT ng451g07r3k 3 13 implant implant ADJ ng451g07r3k 3 14 constructs construct NOUN ng451g07r3k 3 15 , , PUNCT ng451g07r3k 3 16 application application NOUN ng451g07r3k 3 17 to to ADP ng451g07r3k 3 18 fused fuse VERB ng451g07r3k 3 19 spinal spinal ADJ ng451g07r3k 3 20 segments segment NOUN ng451g07r3k 3 21 has have AUX ng451g07r3k 3 22 been be AUX ng451g07r3k 3 23 limited limit VERB ng451g07r3k 3 24 . . PUNCT ng451g07r3k 4 1 using use VERB ng451g07r3k 4 2 computed compute VERB ng451g07r3k 4 3 tomography tomography NOUN ng451g07r3k 4 4 scans scan NOUN ng451g07r3k 4 5 as as ADP ng451g07r3k 4 6 input input NOUN ng451g07r3k 4 7 , , PUNCT ng451g07r3k 4 8 models model NOUN ng451g07r3k 4 9 could could AUX ng451g07r3k 4 10 provide provide VERB ng451g07r3k 4 11 a a DET ng451g07r3k 4 12 non non ADJ ng451g07r3k 4 13 - - ADJ ng451g07r3k 4 14 invasive invasive ADJ ng451g07r3k 4 15 means mean NOUN ng451g07r3k 4 16 to to PART ng451g07r3k 4 17 assess assess VERB ng451g07r3k 4 18 biomechanics biomechanic NOUN ng451g07r3k 4 19 of of ADP ng451g07r3k 4 20 fusion fusion NOUN ng451g07r3k 4 21 progress progress NOUN ng451g07r3k 4 22 . . PUNCT ng451g07r3k 5 1 geometric geometric ADJ ng451g07r3k 5 2 segmentation segmentation NOUN ng451g07r3k 5 3 and and CCONJ ng451g07r3k 5 4 meshing meshing NOUN ng451g07r3k 5 5 techniques technique NOUN ng451g07r3k 5 6 were be AUX ng451g07r3k 5 7 developed develop VERB ng451g07r3k 5 8 for for ADP ng451g07r3k 5 9 human human ADJ ng451g07r3k 5 10 vertebral vertebral ADJ ng451g07r3k 5 11 endplate endplate NOUN ng451g07r3k 5 12 surface surface NOUN ng451g07r3k 5 13 . . PUNCT ng451g07r3k 6 1 smooth smooth PROPN ng451g07r3k 6 2 b b X ng451g07r3k 6 3 - - PUNCT ng451g07r3k 6 4 spline spline ADJ ng451g07r3k 6 5 surface surface NOUN ng451g07r3k 6 6 representation representation NOUN ng451g07r3k 6 7 was be AUX ng451g07r3k 6 8 generated generate VERB ng451g07r3k 6 9 for for ADP ng451g07r3k 6 10 the the DET ng451g07r3k 6 11 vertebral vertebral ADJ ng451g07r3k 6 12 endplate endplate NOUN ng451g07r3k 6 13 surface surface NOUN ng451g07r3k 6 14 . . PUNCT ng451g07r3k 7 1 smoothness smoothness ADJ ng451g07r3k 7 2 was be AUX ng451g07r3k 7 3 found find VERB ng451g07r3k 7 4 to to PART ng451g07r3k 7 5 be be AUX ng451g07r3k 7 6 an an DET ng451g07r3k 7 7 important important ADJ ng451g07r3k 7 8 guideline guideline NOUN ng451g07r3k 7 9 for for ADP ng451g07r3k 7 10 judgment judgment NOUN ng451g07r3k 7 11 of of ADP ng451g07r3k 7 12 a a DET ng451g07r3k 7 13 sound sound ADJ ng451g07r3k 7 14 surface surface NOUN ng451g07r3k 7 15 fit fit NOUN ng451g07r3k 7 16 . . PUNCT ng451g07r3k 8 1 a a DET ng451g07r3k 8 2 moderate moderate ADJ ng451g07r3k 8 3 decrease decrease NOUN ng451g07r3k 8 4 of of ADP ng451g07r3k 8 5 resolution resolution NOUN ng451g07r3k 8 6 ( ( PUNCT ng451g07r3k 8 7 close close ADV ng451g07r3k 8 8 to to ADP ng451g07r3k 8 9 the the DET ng451g07r3k 8 10 level level NOUN ng451g07r3k 8 11 of of ADP ng451g07r3k 8 12 clinical clinical ADJ ng451g07r3k 8 13 scans scan NOUN ng451g07r3k 8 14 ) ) PUNCT ng451g07r3k 8 15 had have VERB ng451g07r3k 8 16 minimal minimal ADJ ng451g07r3k 8 17 effect effect NOUN ng451g07r3k 8 18 on on ADP ng451g07r3k 8 19 errors error NOUN ng451g07r3k 8 20 . . PUNCT ng451g07r3k 9 1 a a DET ng451g07r3k 9 2 set set NOUN ng451g07r3k 9 3 of of ADP ng451g07r3k 9 4 atlas atlas NOUN ng451g07r3k 9 5 based base VERB ng451g07r3k 9 6 techniques technique NOUN ng451g07r3k 9 7 were be AUX ng451g07r3k 9 8 developed develop VERB ng451g07r3k 9 9 to to ADP ng451g07r3k 9 10 segment segment NOUN ng451g07r3k 9 11 geometry geometry NOUN ng451g07r3k 9 12 and and CCONJ ng451g07r3k 9 13 construct construct VERB ng451g07r3k 9 14 hexahedral hexahedral ADJ ng451g07r3k 9 15 finite finite NOUN ng451g07r3k 9 16 element element NOUN ng451g07r3k 9 17 meshes mesh NOUN ng451g07r3k 9 18 of of ADP ng451g07r3k 9 19 human human ADJ ng451g07r3k 9 20 vertebrae vertebrae NOUN ng451g07r3k 9 21 from from ADP ng451g07r3k 9 22 ct ct PROPN ng451g07r3k 9 23 scans scan NOUN ng451g07r3k 9 24 . . PUNCT ng451g07r3k 10 1 algorithms algorithm NOUN ng451g07r3k 10 2 were be AUX ng451g07r3k 10 3 robust robust ADJ ng451g07r3k 10 4 to to ADP ng451g07r3k 10 5 low low ADJ ng451g07r3k 10 6 quality quality NOUN ng451g07r3k 10 7 medical medical ADJ ng451g07r3k 10 8 images image NOUN ng451g07r3k 10 9 , , PUNCT ng451g07r3k 10 10 and and CCONJ ng451g07r3k 10 11 allowed allow VERB ng451g07r3k 10 12 manipulation manipulation NOUN ng451g07r3k 10 13 of of ADP ng451g07r3k 10 14 the the DET ng451g07r3k 10 15 finite finite ADJ ng451g07r3k 10 16 element element NOUN ng451g07r3k 10 17 meshes mesh NOUN ng451g07r3k 10 18 . . PUNCT ng451g07r3k 11 1 application application NOUN ng451g07r3k 11 2 of of ADP ng451g07r3k 11 3 an an DET ng451g07r3k 11 4 atlas atlas NOUN ng451g07r3k 11 5 will will AUX ng451g07r3k 11 6 allow allow VERB ng451g07r3k 11 7 automatic automatic ADJ ng451g07r3k 11 8 processing processing NOUN ng451g07r3k 11 9 of of ADP ng451g07r3k 11 10 a a DET ng451g07r3k 11 11 large large ADJ ng451g07r3k 11 12 number number NOUN ng451g07r3k 11 13 of of ADP ng451g07r3k 11 14 subjects subject NOUN ng451g07r3k 11 15 , , PUNCT ng451g07r3k 11 16 and and CCONJ ng451g07r3k 11 17 facilitate facilitate VERB ng451g07r3k 11 18 comparison comparison NOUN ng451g07r3k 11 19 between between ADP ng451g07r3k 11 20 subjects subject NOUN ng451g07r3k 11 21 within within ADP ng451g07r3k 11 22 a a DET ng451g07r3k 11 23 study study NOUN ng451g07r3k 11 24 . . PUNCT ng451g07r3k 12 1 material material NOUN ng451g07r3k 12 2 properties property NOUN ng451g07r3k 12 3 are be AUX ng451g07r3k 12 4 an an DET ng451g07r3k 12 5 essential essential ADJ ng451g07r3k 12 6 input input NOUN ng451g07r3k 12 7 for for ADP ng451g07r3k 12 8 the the DET ng451g07r3k 12 9 finite finite ADJ ng451g07r3k 12 10 element element NOUN ng451g07r3k 12 11 models model NOUN ng451g07r3k 12 12 . . PUNCT ng451g07r3k 13 1 the the DET ng451g07r3k 13 2 study study NOUN ng451g07r3k 13 3 investigated investigate VERB ng451g07r3k 13 4 the the DET ng451g07r3k 13 5 effect effect NOUN ng451g07r3k 13 6 of of ADP ng451g07r3k 13 7 heterogeneity heterogeneity NOUN ng451g07r3k 13 8 in in ADP ng451g07r3k 13 9 the the DET ng451g07r3k 13 10 vertebral vertebral ADJ ng451g07r3k 13 11 trabecular trabecular ADJ ng451g07r3k 13 12 bone bone NOUN ng451g07r3k 13 13 on on ADP ng451g07r3k 13 14 the the DET ng451g07r3k 13 15 mechanical mechanical ADJ ng451g07r3k 13 16 properties property NOUN ng451g07r3k 13 17 predictions prediction NOUN ng451g07r3k 13 18 for for ADP ng451g07r3k 13 19 accurate accurate ADJ ng451g07r3k 13 20 material material NOUN ng451g07r3k 13 21 modeling modeling NOUN ng451g07r3k 13 22 in in ADP ng451g07r3k 13 23 the the DET ng451g07r3k 13 24 finite finite ADJ ng451g07r3k 13 25 element element NOUN ng451g07r3k 13 26 models model NOUN ng451g07r3k 13 27 of of ADP ng451g07r3k 13 28 spine spine NOUN ng451g07r3k 13 29 . . PUNCT ng451g07r3k 14 1 the the DET ng451g07r3k 14 2 relationship relationship NOUN ng451g07r3k 14 3 between between ADP ng451g07r3k 14 4 trabecular trabecular ADJ ng451g07r3k 14 5 bone bone NOUN ng451g07r3k 14 6 volume volume NOUN ng451g07r3k 14 7 fraction fraction NOUN ng451g07r3k 14 8 and and CCONJ ng451g07r3k 14 9 elastic elastic ADJ ng451g07r3k 14 10 constants constant NOUN ng451g07r3k 14 11 was be AUX ng451g07r3k 14 12 assessed assess VERB ng451g07r3k 14 13 . . PUNCT ng451g07r3k 15 1 the the DET ng451g07r3k 15 2 results result NOUN ng451g07r3k 15 3 showed show VERB ng451g07r3k 15 4 that that SCONJ ng451g07r3k 15 5 inclusion inclusion NOUN ng451g07r3k 15 6 of of ADP ng451g07r3k 15 7 morphology morphology NOUN ng451g07r3k 15 8 can can AUX ng451g07r3k 15 9 improve improve VERB ng451g07r3k 15 10 the the DET ng451g07r3k 15 11 predictive predictive ADJ ng451g07r3k 15 12 strength strength NOUN ng451g07r3k 15 13 compared compare VERB ng451g07r3k 15 14 to to ADP ng451g07r3k 15 15 a a DET ng451g07r3k 15 16 single single ADJ ng451g07r3k 15 17 power power NOUN ng451g07r3k 15 18 - - PUNCT ng451g07r3k 15 19 law law NOUN ng451g07r3k 15 20 , , PUNCT ng451g07r3k 15 21 and and CCONJ ng451g07r3k 15 22 most most ADJ ng451g07r3k 15 23 of of ADP ng451g07r3k 15 24 the the DET ng451g07r3k 15 25 variations variation NOUN ng451g07r3k 15 26 in in ADP ng451g07r3k 15 27 the the DET ng451g07r3k 15 28 power power NOUN ng451g07r3k 15 29 - - PUNCT ng451g07r3k 15 30 law law NOUN ng451g07r3k 15 31 prediction prediction NOUN ng451g07r3k 15 32 can can AUX ng451g07r3k 15 33 be be AUX ng451g07r3k 15 34 captured capture VERB ng451g07r3k 15 35 by by ADP ng451g07r3k 15 36 incorporating incorporate VERB ng451g07r3k 15 37 degree degree NOUN ng451g07r3k 15 38 of of ADP ng451g07r3k 15 39 anisotropy anisotropy NOUN ng451g07r3k 15 40 ( ( PUNCT ng451g07r3k 15 41 da da PROPN ng451g07r3k 15 42 ) ) PUNCT ng451g07r3k 15 43 in in ADP ng451g07r3k 15 44 the the DET ng451g07r3k 15 45 model model NOUN ng451g07r3k 15 46 . . PUNCT ng451g07r3k 16 1 the the DET ng451g07r3k 16 2 finding finding NOUN ng451g07r3k 16 3 may may AUX ng451g07r3k 16 4 be be AUX ng451g07r3k 16 5 used use VERB ng451g07r3k 16 6 to to PART ng451g07r3k 16 7 establish establish VERB ng451g07r3k 16 8 intrasite intrasite ADJ ng451g07r3k 16 9 relationships relationship NOUN ng451g07r3k 16 10 of of ADP ng451g07r3k 16 11 density density NOUN ng451g07r3k 16 12 - - PUNCT ng451g07r3k 16 13 modulus modulus NOUN ng451g07r3k 16 14 within within ADP ng451g07r3k 16 15 the the DET ng451g07r3k 16 16 vertebral vertebral ADJ ng451g07r3k 16 17 body body NOUN ng451g07r3k 16 18 to to PART ng451g07r3k 16 19 improve improve VERB ng451g07r3k 16 20 the the DET ng451g07r3k 16 21 material material NOUN ng451g07r3k 16 22 modeling modeling NOUN ng451g07r3k 16 23 in in ADP ng451g07r3k 16 24 the the DET ng451g07r3k 16 25 finite finite ADJ ng451g07r3k 16 26 element element NOUN ng451g07r3k 16 27 analysis analysis NOUN ng451g07r3k 16 28 of of ADP ng451g07r3k 16 29 spinal spinal ADJ ng451g07r3k 16 30 constructs construct NOUN ng451g07r3k 16 31 . . PUNCT ng451g07r3k 17 1 the the DET ng451g07r3k 17 2 modeling modeling NOUN ng451g07r3k 17 3 techniques technique NOUN ng451g07r3k 17 4 were be AUX ng451g07r3k 17 5 implemented implement VERB ng451g07r3k 17 6 and and CCONJ ng451g07r3k 17 7 validated validate VERB ng451g07r3k 17 8 by by ADP ng451g07r3k 17 9 rabbit rabbit NOUN ng451g07r3k 17 10 spinal spinal ADJ ng451g07r3k 17 11 fusion fusion NOUN ng451g07r3k 17 12 study study NOUN ng451g07r3k 17 13 . . PUNCT ng451g07r3k 18 1 posterolateral posterolateral ADJ ng451g07r3k 18 2 lumbar lumbar NOUN ng451g07r3k 18 3 spinal spinal ADJ ng451g07r3k 18 4 fusion fusion NOUN ng451g07r3k 18 5 was be AUX ng451g07r3k 18 6 performed perform VERB ng451g07r3k 18 7 on on ADP ng451g07r3k 18 8 twelve twelve NUM ng451g07r3k 18 9 animals animal NOUN ng451g07r3k 18 10 . . PUNCT ng451g07r3k 19 1 fused fuse VERB ng451g07r3k 19 2 segments segment NOUN ng451g07r3k 19 3 harvested harvest VERB ng451g07r3k 19 4 from from ADP ng451g07r3k 19 5 two two NUM ng451g07r3k 19 6 postsurgical postsurgical ADJ ng451g07r3k 19 7 time time NOUN ng451g07r3k 19 8 stages stage NOUN ng451g07r3k 19 9 were be AUX ng451g07r3k 19 10 mechanically mechanically ADV ng451g07r3k 19 11 tested test VERB ng451g07r3k 19 12 . . PUNCT ng451g07r3k 20 1 the the DET ng451g07r3k 20 2 tensile tensile NOUN ng451g07r3k 20 3 tests test NOUN ng451g07r3k 20 4 were be AUX ng451g07r3k 20 5 simulated simulate VERB ng451g07r3k 20 6 using use VERB ng451g07r3k 20 7 finite finite ADJ ng451g07r3k 20 8 elements element NOUN ng451g07r3k 20 9 with with ADP ng451g07r3k 20 10 density density NOUN ng451g07r3k 20 11 based base VERB ng451g07r3k 20 12 material material NOUN ng451g07r3k 20 13 modeling modeling NOUN ng451g07r3k 20 14 to to PART ng451g07r3k 20 15 represent represent VERB ng451g07r3k 20 16 the the DET ng451g07r3k 20 17 heterogeneity heterogeneity NOUN ng451g07r3k 20 18 in in ADP ng451g07r3k 20 19 the the DET ng451g07r3k 20 20 fusion fusion NOUN ng451g07r3k 20 21 mass mass PROPN ng451g07r3k 20 22 . . PUNCT ng451g07r3k 21 1 the the DET ng451g07r3k 21 2 model model NOUN ng451g07r3k 21 3 prediction prediction NOUN ng451g07r3k 21 4 of of ADP ng451g07r3k 21 5 stiffness stiffness NOUN ng451g07r3k 21 6 , , PUNCT ng451g07r3k 21 7 which which PRON ng451g07r3k 21 8 is be AUX ng451g07r3k 21 9 the the DET ng451g07r3k 21 10 primary primary ADJ ng451g07r3k 21 11 variable variable NOUN ng451g07r3k 21 12 of of ADP ng451g07r3k 21 13 interest interest NOUN ng451g07r3k 21 14 in in ADP ng451g07r3k 21 15 spinal spinal ADJ ng451g07r3k 21 16 fusion fusion NOUN ng451g07r3k 21 17 , , PUNCT ng451g07r3k 21 18 strongly strongly ADV ng451g07r3k 21 19 correlated correlate VERB ng451g07r3k 21 20 with with ADP ng451g07r3k 21 21 the the DET ng451g07r3k 21 22 measured measured ADJ ng451g07r3k 21 23 data datum NOUN ng451g07r3k 21 24 . . PUNCT ng451g07r3k 22 1 the the DET ng451g07r3k 22 2 results result NOUN ng451g07r3k 22 3 demonstrated demonstrate VERB ng451g07r3k 22 4 the the DET ng451g07r3k 22 5 feasibility feasibility NOUN ng451g07r3k 22 6 of of ADP ng451g07r3k 22 7 using use VERB ng451g07r3k 22 8 the the DET ng451g07r3k 22 9 finite finite ADJ ng451g07r3k 22 10 element element NOUN ng451g07r3k 22 11 method method NOUN ng451g07r3k 22 12 to to PART ng451g07r3k 22 13 estimate estimate VERB ng451g07r3k 22 14 the the DET ng451g07r3k 22 15 biomechanics biomechanic NOUN ng451g07r3k 22 16 of of ADP ng451g07r3k 22 17 spinal spinal ADJ ng451g07r3k 22 18 fusion fusion NOUN ng451g07r3k 22 19 . . PUNCT ng451g07r3k 23 1 although although SCONJ ng451g07r3k 23 2 strength strength NOUN ng451g07r3k 23 3 was be AUX ng451g07r3k 23 4 n't not PART ng451g07r3k 23 5 correlated correlate VERB ng451g07r3k 23 6 , , PUNCT ng451g07r3k 23 7 application application NOUN ng451g07r3k 23 8 of of ADP ng451g07r3k 23 9 alternate alternate ADJ ng451g07r3k 23 10 material material NOUN ng451g07r3k 23 11 models model NOUN ng451g07r3k 23 12 showed show VERB ng451g07r3k 23 13 the the DET ng451g07r3k 23 14 potential potential NOUN ng451g07r3k 23 15 to to PART ng451g07r3k 23 16 improve improve VERB ng451g07r3k 23 17 strength strength NOUN ng451g07r3k 23 18 predictions prediction NOUN ng451g07r3k 23 19 by by ADP ng451g07r3k 23 20 choosing choose VERB ng451g07r3k 23 21 appropriate appropriate ADJ ng451g07r3k 23 22 density density NOUN ng451g07r3k 23 23 and and CCONJ ng451g07r3k 23 24 strength strength NOUN ng451g07r3k 23 25 calibrations calibration NOUN ng451g07r3k 23 26 . . PUNCT ng451g07r3k 24 1 overall overall ADV ng451g07r3k 24 2 , , PUNCT ng451g07r3k 24 3 this this DET ng451g07r3k 24 4 study study NOUN ng451g07r3k 24 5 showed show VERB ng451g07r3k 24 6 that that SCONJ ng451g07r3k 24 7 subject subject NOUN ng451g07r3k 24 8 - - PUNCT ng451g07r3k 24 9 specific specific ADJ ng451g07r3k 24 10 finite finite NOUN ng451g07r3k 24 11 element element NOUN ng451g07r3k 24 12 model model NOUN ng451g07r3k 24 13 has have VERB ng451g07r3k 24 14 great great ADJ ng451g07r3k 24 15 potential potential NOUN ng451g07r3k 24 16 for for ADP ng451g07r3k 24 17 the the DET ng451g07r3k 24 18 study study NOUN ng451g07r3k 24 19 of of ADP ng451g07r3k 24 20 spinal spinal ADJ ng451g07r3k 24 21 fusion fusion NOUN ng451g07r3k 24 22 mechanics mechanic NOUN ng451g07r3k 24 23 . . PUNCT