Animalia animal experiment female nonhuman 152 article 132 controlled study 121 Female 116 Animals 103 animal tissue 78 priority journal 66 animal model 59 Rats 58 rat 58 mouse 55 animal cell 50 male 45 Male 44 Mice 38 Rats, Sprague-Dawley 30 Animal 26 animal 25 Mice, Inbred BALB C 24 Support, Non-U.S. Gov't 24 messenger RNA 23 Mus 22 protein expression 22 unclassified drug 20 Rats, Wistar 18 estradiol 18 cell proliferation 17