title: Maternal serum screening should not replace amniocentesis.
authors.forename: L Y
authors.initials: LY
authors.lastname: Hsu
authors.forename: L R
authors.initials: LR
authors.lastname: Shapiro
authors.forename: S
authors.initials: S
authors.lastname: Kaffe
mesh_terms: D000328:Adult; D000649:Amniocentesis; D006063:Chorionic Gonadotropin / Q000097:blood; D004314:Down Syndrome / Q000175:diagnosis*; D004964:Estriol / Q000097:blood; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D006063:Chorionic Gonadotropin; D000509:alpha-Fetoproteins; D004964:Estriol