Article adult human female 161 male 143 Humans 133 controlled study 131 Female 111 Male 107 Adult 81 priority journal 79 middle aged 64 major clinical study 62 nonhuman 56 Middle Aged 54 metabolism 44 Animals 42 Argentina 40 animal 40 genetics 40 physiology 38 young adult 38 Young Adult 37 human tissue 32 clinical article 30 adolescent 28 aged 28 protein expression 28 pathology 26 human experiment 25