title: [Incidence and etiology of Down's syndrome].
mesh_terms: D000293:Adolescent; D000328:Adult; D000649:Amniocentesis; D001317:Austria; D004314:Down Syndrome / Q000453:epidemiology* / Q000209:etiology / Q000235:genetics; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D011247:Pregnancy; D013091:Spermatogenesis; D014314:Trisomy
vernacular_title: Zur Häufigkeit und Atiologie des Down-Syndroms.