adolescent male female 179 human 173 Male 157 Female 147 article 141 Adolescent 137 adult 136 Humans 130 Adult 102 controlled study 101 child 97 Child 87 priority journal 78 Argentina 62 major clinical study 55 Middle Aged 53 Child, Preschool 50 aged 49 clinical article 40 nonhuman 38 Aged 35 middle aged 35 Young Adult 34 preschool child 34 Infant 33 infant 29 newborn 29 Article 28