Female Humans controlled study priority journal human 354 female 336 article 318 Male 238 male 212 adult 200 Adult 169 Middle Aged 141 human cell 129 nonhuman 120 Animals 118 protein expression 108 clinical article 100 major clinical study 88 Aged 83 aged 83 Mice 77 animal experiment 77 mouse 77 metabolism 73 Article 71 animal cell 70 animal model 58 Pregnancy 53 animal tissue 51 Argentina 50