Prabhakaran, NRao, V B1970-11-162009-05-311970-11-162009-05-311970-11-16Prabhakaran N, Rao VB. Mental retardation of genetic origin in general practice. Journal of the Indian Medical Association. 1970 Nov; 55(10): 343-8http://imsear.searo.who.int/handle/123456789/95790engAchondroplasia --geneticsAdolescentAngiomatosis --geneticsChildChild, PreschoolConsanguinityHumansMental retardation of genetic origin in general practice.Journal Article