Humans article female human 573 Female 560 controlled study 409 male 408 Male 404 priority journal 363 adult 357 Adult 300 Middle Aged 213 Animals 166 nonhuman 145 Aged 141 aged 141 clinical article 134 human cell 132 Adolescent 116 Argentina 114 major clinical study 105 protein expression 97 physiology 93 Mice 92 mouse 88 Child 87 animal experiment 87 adolescent 86 metabolism 85 animal cell 78