title: Doubts using family history, age, alpha-fetoprotein and total human chorionic gonadotrophin in screening for Down's syndrome.
authors.forename: O
authors.initials: O
authors.lastname: Ogueh
mesh_terms: D006063:Chorionic Gonadotropin / Q000032:analysis; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D006063:Chorionic Gonadotropin; D000509:alpha-Fetoproteins