title: The pioneers of adolescent group psychotherapy.
mesh_terms: D000293:Adolescent; D000374:Aggression / Q000523:psychology; D001317:Austria; D002648:Child; D002675:Child, Preschool; D005260:Female; D049673:History, 20th Century; D006801:Humans; D007857:Leadership; D008149:Love; D008297:Male; D010989:Play Therapy; D000297:Psychology, Adolescent / Q000266:history*; D011615:Psychotherapy, Group / Q000266:history* / Q000379:methods