title: A current appraisal of Down's syndrome.
mesh_terms: D000349:Africa; D004314:Down Syndrome / Q000175:diagnosis / Q000453:epidemiology / Q000235:genetics; D005060:Europe; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011379:Prognosis; D014481:United States