title: Prenatal screening for Down syndrome: pre-analytical precautions.
authors.forename: C
authors.initials: C
authors.lastname: Doche
authors.forename: M
authors.initials: M
authors.lastname: Bartoli
authors.forename: S
authors.initials: S
authors.lastname: Mercier
authors.forename: J
authors.initials: J
authors.lastname: Demiaux
authors.forename: J
authors.initials: J
authors.lastname: Gascht
authors.forename: B
authors.initials: B
authors.lastname: Dingeon
mesh_terms: D001800:Blood Specimen Collection / Q000379:methods; D006063:Chorionic Gonadotropin / Q000097:blood; D004314:Down Syndrome / Q000097:blood / Q000175:diagnosis*; D004964:Estriol / Q000097:blood; D005260:Female; D006801:Humans; D010355:Patient Identification Systems; D011247:Pregnancy; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D006063:Chorionic Gonadotropin; D000509:alpha-Fetoproteins; D004964:Estriol