animal Animals 1,370 human 607 Humans 546 nonhuman 510 mouse 504 metabolism 480 Mice 468 Article 466 controlled study 392 genetics 387 male 372 animal experiment 313 female 285 Male 280 rat 246 physiology 242 Female 225 Rats 225 animal model 193 animal tissue 178 chemistry 171 article 162 procedures 158 pathology 152 drug effect 140 animal cell 134 adult 132 unclassified drug 118 biological model 96