title: Expanded maternal serum alpha fetoprotein screening.
authors.affiliation: U. of I. Hospitals.
authors.forename: R
authors.initials: R
authors.lastname: Williamson
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations / Q000097:blood / Q000517:prevention & control*; D025063:Chromosome Disorders; D004314:Down Syndrome / Q000097:blood / Q000517:prevention & control*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008403:Mass Screening; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012307:Risk Factors; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins