Female Humans male Male 577 female 572 human 569 adult 411 article 387 Adult 343 controlled study 339 priority journal 282 Middle Aged 256 Argentina 162 aged 156 Aged 152 major clinical study 149 Adolescent 142 middle aged 130 Article 121 Young Adult 121 adolescent 120 clinical article 115 physiology 106 Child 105 Animals 104 child 97 nonhuman 79 human experiment 72 genetics 64 human cell 64