animal male Male 481 Animals 471 female 308 Female 279 article 256 physiology 235 nonhuman 219 metabolism 192 controlled study 172 animal experiment 146 Article 143 genetics 130 priority journal 121 Argentina 110 mouse 95 animal tissue 94 growth, development and aging 88 adult 84 Mice 83 human 72 animal cell 69 drug effects 68 classification 66 drug effect 64 rat 62 anatomy and histology 59 Humans 57 Rats 55