Adult Female Male adult female human 355 male 351 Humans 326 article 257 controlled study 210 Middle Aged 191 priority journal 168 Adolescent 120 aged 109 major clinical study 107 middle aged 102 Aged 101 Young Adult 101 adolescent 98 physiology 77 clinical article 76 Argentina 68 Article 65 Child 62 child 61 human experiment 55 young adult 54 normal human 45 genetics 39 Child, Preschool 34