Serum alpha-feto protein screening for neural tube defects: some notes for programme evaluators.
D004739:England; D005260:Female; D006801:Humans; D008403:Mass Screening; D009436:Neural Tube Defects / Q000175:diagnosis / Q000517:prevention & control*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis*
D000509:alpha-Fetoproteins