child human 113 Humans 100 controlled study 95 female 93 male 91 randomized controlled trial 89 Child 88 Female 74 Male 74 adolescent 54 Adolescent 46 adult 39 procedures 35 psychology 34 article 33 major clinical study 30 preschool child 27 Child, Preschool 26 Adult 25 Article 25 clinical trial 21 human experiment 20 Young Adult 19 child parent relation 19 treatment outcome 19 young adult 19 Treatment Outcome 16 multicenter study 16 physiology 15