title: [Prenatal diagnosis for trisomy 21: triple test more efficient than age criterion].
authors.forename: J R
authors.initials: JR
authors.lastname: Beekhuis
authors.forename: A
authors.initials: A
authors.lastname: Mantingh
mesh_terms: D015415:Biomarkers / Q000097:blood*; D004314:Down Syndrome / Q000097:blood*; D005260:Female; D005315:Fetal Diseases / Q000097:blood; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*
chemical_list: D015415:Biomarkers
vernacular_title: Prenataal onderzoek op trisomie 21: tripletest efficiënter dan leeftijdscriterium.