COLLINS, D T HEAD-BANGING: ITS MEANING AND MANAGEMENT IN THE SEVERELY RETARDED ADULT. [electronic resource] - Bulletin of the Menninger Clinic Jul 1965 - 205-11 p. digital Publication Type: Journal Article ISSN: 0025-9284 Subjects--Topical Terms: ChildChild Behavior DisordersHumansIntellectual DisabilityKinesthesis