Major mental handicap : methods and cost of prevention. - Amsterdam : Elsevier North-Holland, 1978. - 226 p. ; 25 cm. - Ciba Foundation symposium new ser. ; 59 . Includes indexes. ISBN: 0444900330 Subjects--Topical Terms: Mental deficiency--Prevention--Congresses.Mental deficiency--Prevention--Costs--Congresses.Neonatal intensive care--Congresses.Prenatal care--Congresses.Mental deficiency--Etiology--Congresses.Mental retardation--Prevention and control--Congresses.