title: Research on repetitive behaviors in childhood.
mesh_terms: D002648:Child; D002653:Child Behavior Disorders / Q000523:psychology / Q000628:therapy*; D002657:Child Development; D006801:Humans; D009771:Obsessive-Compulsive Disorder / Q000523:psychology / Q000628:therapy*; D010553:Personality Development; D011574:Psychoanalytic Theory; D012106:Research