title: Diagnostic/genetic studies in severe mental retardation.
mesh_terms: D000757:Anencephaly / Q000175:diagnosis; D002490:Central Nervous System / Q000002:abnormalities; D002547:Cerebral Palsy / Q000175:diagnosis / Q000235:genetics; D002648:Child; D002675:Child, Preschool; D002877:Chromosomes, Human / Q000648:ultrastructure; D000013:Congenital Abnormalities / Q000175:diagnosis / Q000235:genetics; D003878:Dermatoglyphics; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D006849:Hydrocephalus / Q000175:diagnosis; D007223:Infant; D008607:Intellectual Disability / Q000175:diagnosis / Q000235:genetics*; D007621:Karyotyping; D008297:Male; D008661:Metabolism, Inborn Errors / Q000175:diagnosis; D010375:Pedigree; D012306:Risk; D012744:Sex Ratio; D016136:Spina Bifida Occulta / Q000175:diagnosis