adult human female 756 article 730 male 728 Humans 688 Female 578 Male 578 Adult 572 controlled study 544 priority journal 482 Middle Aged 342 aged 268 clinical article 250 major clinical study 248 Aged 202 adolescent 182 Adolescent 174 Article 174 Argentina 162 middle aged 158 physiology 144 nonhuman 142 Young Adult 140 Animals 128 human cell 124 human experiment 124 child 120 human tissue 104 normal human 102