title: [Epidemiology and prevention of trisomy 21 in the Canton of Vaud: 1980-1986].
mesh_terms: D004314:Down Syndrome / Q000517:prevention & control*; D006801:Humans; D011296:Prenatal Diagnosis; D013557:Switzerland
vernacular_title: Epidémiologie et prévention de la trisomie 21 dans le canton de Vaud: 1980-1986.