TY - BOOK AU - Chinn Philip C AU - Drew Clifford J AU - Logan Don R TI - Mental retardation: a life cycle approach SN - 0801609682 AV - HV3004 U1 - 362.3 PY - 1979/// CY - St. Louis PB - Mosby KW - People with mental disabilities KW - Mental Retardation N1 - Includes bibliographies and indexes ER -