Humans female priority journal human 436 Female 433 controlled study 372 article 363 Male 299 male 297 adult 269 Adult 212 Middle Aged 166 nonhuman 133 Animals 131 human cell 125 clinical article 119 protein expression 116 aged 104 major clinical study 104 Aged 102 metabolism 97 Article 95 animal cell 88 Mice 84 mouse 80 animal experiment 79 Argentina 68 Adolescent 66 physiology 59 animal model 58