Female Humans article controlled study female human 335 priority journal 260 Male 242 male 232 adult 215 Adult 176 Middle Aged 127 human cell 103 Animals 99 nonhuman 97 clinical article 90 Aged 79 aged 79 major clinical study 77 protein expression 75 animal experiment 73 mouse 68 Mice 66 Adolescent 63 metabolism 56 Argentina 55 animal model 55 animal cell 52 physiology 51 human experiment 49