Female Humans controlled study human 551 female 515 article 443 priority journal 394 Male 371 male 339 adult 322 Adult 259 Middle Aged 194 human cell 194 Animals 180 nonhuman 180 protein expression 140 Article 139 metabolism 128 clinical article 127 major clinical study 127 animal experiment 115 mouse 113 aged 110 Aged 108 Mice 107 animal cell 88 unclassified drug 87 Argentina 85 animal model 83 physiology 83