Article Female female human Humans 179 controlled study 141 Male 123 male 123 adult 111 priority journal 89 metabolism 78 Adult 77 nonhuman 62 Animals 58 animal 58 genetics 58 middle aged 54 Middle Aged 52 protein expression 52 human cell 48 Argentina 42 major clinical study 42 physiology 42 Young Adult 39 young adult 38 pathology 36 animal experiment 32 in vitro study 32 human tissue 30 immunology 30