Animals 171 animal human 76 mouse 76 Mice 72 metabolism 72 Humans 69 nonhuman 63 Article 59 controlled study 43 genetics 43 chemistry 36 female 34 Female 30 animal experiment 30 unclassified drug 25 drug effect 24 male 23 rat 22 animal cell 21 pathology 21 physiology 21 procedures 20 Rats 19 animal model 19 immunology 17 Male 16 animal tissue 16 Disease Models, Animal 15 disease model 15