title: Antenatal screening for Down's syndrome--can we do better?
authors.affiliation: Department of Clinical Biochemistry, Royal Infirmary, Edinburgh, UK.
authors.forename: A R
authors.initials: AR
authors.lastname: Ellis
mesh_terms: D006063:Chorionic Gonadotropin / Q000032:analysis; D004314:Down Syndrome / Q000175:diagnosis*; D004964:Estriol / Q000032:analysis; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000592:standards*; D012015:Reference Standards; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D006063:Chorionic Gonadotropin; D000509:alpha-Fetoproteins; D004964:Estriol