Male animal male 994 Animals 906 female 587 Female 567 article 519 physiology 445 nonhuman 384 metabolism 359 controlled study 301 animal experiment 262 genetics 251 Article 242 Argentina 223 priority journal 209 growth, development and aging 175 mouse 168 animal tissue 154 Mice 148 adult 143 classification 134 human 131 drug effect 125 rat 122 animal cell 115 anatomy and histology 114 drug effects 113 histology 113 Rats 112