title: A closed multifamily group.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000374:Aggression; D003142:Communication; D003220:Conflict, Psychological; D005191:Family Characteristics; D005196:Family Therapy; D005260:Female; D006126:Group Processes; D006127:Group Structure; D006801:Humans; D008297:Male; D010287:Parent-Child Relations; D011369:Professional-Patient Relations; D011615:Psychotherapy, Group