title: Genetic diagnostic studies for mental retardation.
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000175:diagnosis; D000596:Amino Acids / Q000032:analysis; D002239:Carbohydrate Metabolism, Inborn Errors / Q000175:diagnosis; D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D004796:Clinical Enzyme Tests; D006579:Heterozygote; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis; D008607:Intellectual Disability / Q000175:diagnosis* / Q000209:etiology / Q000235:genetics; D008661:Metabolism, Inborn Errors / Q000175:diagnosis*; D008722:Methods; D014556:Urine / Q000032:analysis
chemical_list: D000596:Amino Acids