animal chemistry Animals 485 metabolism 278 article 272 nonhuman 250 human 199 Humans 191 controlled study 182 priority journal 155 unclassified drug 143 Article 140 genetics 110 physiology 110 female 102 animal cell 92 drug effect 91 mouse 90 drug effects 88 Mice 84 Female 82 male 81 Male 77 chemical structure 65 isolation and purification 61 animal experiment 60 rat 60 Rats 56 enzymology 56 in vitro study 55