title: Clinical forum. 9. Mental subnormality.
mesh_terms: D004314:Down Syndrome / Q000235:genetics; D004777:Environment; D006801:Humans; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000175:diagnosis* / Q000209:etiology / Q000235:genetics; D008403:Mass Screening; D008661:Metabolism, Inborn Errors / Q000150:complications