SimilarityRank
adult_stem_cell 0.843 94280
stem_cell 0.841 11527
stem_cell_research 0.757 46328
human_embryo 0.747 83356
gene_therapy 0.705 41783
human_cell 0.703 63222
embryo 0.677 14098
human_tissue 0.673 74646
regenerative_medicine 0.654 56286
these_cell 0.650 25833
cell_line 0.646 27924
oocyte 0.620 88746
zebrafish 0.614 86315
genetically_modify 0.613 79760
transgenic 0.612 79742
fibroblast 0.611 55812
mouse_model 0.605 72946
cell_type 0.596 54133
animal_model 0.594 41045
bone_marrow 0.593 24331
clon 0.587 13391
tissue_engineering 0.587 62362
cell_culture 0.586 48006
transplantation 0.579 25763
skin_cell 0.579 69925