title: Pregnancy associated plasma protein A in Down's syndrome.
authors.forename: M C
authors.initials: MC
authors.lastname: Macintosh
authors.forename: T
authors.initials: T
authors.lastname: Chard
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011266:Pregnancy-Associated Plasma Protein-A / Q000032:analysis*; D011296:Prenatal Diagnosis
chemical_list: D011266:Pregnancy-Associated Plasma Protein-A