Adult Female Male human male female 367 adult 356 Humans 341 article 276 controlled study 219 Middle Aged 198 priority journal 183 Adolescent 122 major clinical study 115 aged 112 Aged 108 Young Adult 105 middle aged 102 adolescent 98 clinical article 83 physiology 77 Argentina 74 Child 66 Article 65 child 61 human experiment 57 young adult 54 normal human 47 genetics 39 Child, Preschool 38