TY - BOOK ID - 6244124 TI - A study on the origins of mental retardation PY - 1974 VL - 51 SN - 0433163003 9780433163008 PB - London Heinemann DB - UniCat KW - Mental retardation KW - Diseases KW - Causes and theories of causation KW - Intellectual Disability KW - -Mental retardation KW - Idiocy KW - Intellectual disabilities KW - Mental deficiency KW - Retardation, Mental KW - Developmental disabilities KW - Psychology, Pathological KW - Intellect KW - People with mental disabilities KW - Human beings KW - Illness KW - Illnesses KW - Morbidity KW - Sickness KW - Sicknesses KW - Medicine KW - Epidemiology KW - Health KW - Pathology KW - Sick KW - etiology. KW - Mental retardation. KW - Causes and theories of causation. KW - Aetiology KW - Etiology KW - etiology KW - Intellectual disability. KW - Intellectual disability KW - Diseases - Causes and theories of causation UR - https://www.unicat.be/uniCat?func=search&query=sysid:6244124 AB - ER -