Female adult article human female 369 Humans 347 Male 329 Adult 324 male 306 controlled study 250 priority journal 222 Middle Aged 208 Aged 136 aged 136 clinical article 119 Adolescent 115 major clinical study 101 adolescent 92 Argentina 72 Young Adult 67 middle aged 66 Child 58 child 57 human cell 50 human experiment 50 physiology 50 normal human 48 Human 44 Animals 43 nonhuman 38