title: A cytogenetic study of heavy mental retardates. I. A study on heavy mental retardates with cerebral palsy.
mesh_terms: D000293:Adolescent; D000328:Adult; D002547:Cerebral Palsy / Q000150:complications / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D002871:Chromosome Banding; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000150:complications / Q000235:genetics*; D007621:Karyotyping; D008297:Male; D008875:Middle Aged