Biochemical approaches to mental handicap in children : a symposium held at Liverpool University on September 16, 1964. Ed. by J.D. Allan and K.S. Holt. - Edinburgh : Livingstone, 1965. Subjects--Topical Terms: Mental Retardation -- congresses.--Mental Retardation -- congresses.Metabolism, Inborn Errors -- congresses.--Metabolism, Inborn Errors -- congresses. National Library of Medicine Call No.: WS 107 / S678b 1964