title: Assay used in serum screening for Down's syndrome may depend on ethnic make up of population.
authors.forename: L
authors.initials: L
authors.lastname: Gilbert
authors.forename: J
authors.initials: J
authors.lastname: Nicholl
authors.forename: A
authors.initials: A
authors.lastname: Mander
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood; D004314:Down Syndrome / Q000175:diagnosis* / Q000208:ethnology; D005006:Ethnicity; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*
chemical_list: D006063:Chorionic Gonadotropin