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MAP20071015757Roeleveld, N.Mental retardation and parental occupation : a study on the applicability of job exposure matrices / N. Roeleveld, G.A. Zielhuis, F. GabreëlsSumario: In a case-referent study on mental retardation and parental occupation, detailed information on exposure was collected by means of personal interviews with the parents. Mental retardation is a developmental defect of the central nervous system with a prevalence of about 3% in school age children; the causes include several genetic and pre, peri, and postnatal factors. The interview focused on the hypothesised exogenic risk factors for mental retardation, such as parental exposure to lead, methylmercury, alcohol and other organic sovents, and ionising radiation. Other potentially hazardous occupational and non-occupational exposures were also taken into account. As a result of this study, several agents could be indicated as possible occupational risk factors for mental retardation in offspringEn: British journal of industrial medicine. - London and Margate. - nº 10, October 1993 ; p. 945-9541. Medicina laboral. 2. Retraso mental. 3. Sustancias químicas. 4. Disolventes orgánicos. 5. Radiaciones ionizantes. 6. Valores TLV. 7. Higiene industrial. 8. Epidemiología. 9. Estadísticas. I. Zielhuis, G.A.. II. Gabreëls, F.. III. Title. IV. Título: British journal of industrial medicine.