Animals animal experiment female nonhuman 666 Female 574 controlled study 573 article 508 priority journal 453 animal tissue 346 mouse 316 animal model 314 Mice 306 animal cell 265 male 263 animal 240 Male 239 Rats 195 protein expression 193 rat 193 metabolism 160 Article 158 Mice, Inbred BALB C 125 Humans 123 Rats, Sprague-Dawley 122 unclassified drug 120 human 108 Animalia 103 physiology 96 Pregnancy 86 cell proliferation 86