The only child.
D000328:Adult; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003220:Conflict, Psychological; D004325:Dreams; D005201:Fantasy; D005260:Female; D006167:Guilt; D006801:Humans; D008297:Male; D009497:Neurotic Disorders / Q000209:etiology / Q000628:therapy; D009863:Only Child; D010553:Personality Development; D010698:Phobic Disorders / Q000628:therapy; D011573:Psychoanalytic Interpretation; D011574:Psychoanalytic Theory; D011575:Psychoanalytic Therapy