adolescent human 123 male female 120 Humans 115 Adolescent 111 Male 102 Female 99 adult 80 young adult 69 Young Adult 68 child 67 Adult 65 controlled study 62 Child 59 Article 50 Middle Aged 37 middle aged 37 major clinical study 34 physiology 29 aged 25 procedures 25 clinical article 24 article 23 preschool child 23 Child, Preschool 21 diagnostic imaging 20 Aged 19 comparative study 18 psychology 18