TY - BOOK AU - Warkany,Josef AU - Lemire,Ronald J. AU - Cohen,M.Michael TI - Mental retardation and congenital malformations of the central nervous system SN - 0815190964 PY - 1981/// CY - Chicago PB - Year Book Medical Pub. KW - Mental deficiency KW - Central nervous system KW - Abnormalities KW - Mental retardation KW - Etiology N1 - Includes bibliographical references and index ER -