title: Metabolic anomalies detected during a systematic biochemical screening of mentally retarded cases.
mesh_terms: D000293:Adolescent; D000592:Amino Acid Metabolism, Inborn Errors / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007194:India; D007223:Infant; D008607:Intellectual Disability / Q000209:etiology*; D008297:Male; D010661:Phenylketonurias / Q000453:epidemiology