title: Human benefits and costs of a national screening programme for neural-tube defects.
mesh_terms: D000032:Abortion, Therapeutic; D000649:Amniocentesis; D000757:Anencephaly / Q000175:diagnosis / Q000401:mortality / Q000517:prevention & control*; D002675:Child, Preschool; D003362:Cost-Benefit Analysis; D003951:Diagnostic Errors; D006233:Persons with Disabilities; D004739:England; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008403:Mass Screening; D009313:National Health Programs; D011247:Pregnancy; D016136:Spina Bifida Occulta / Q000175:diagnosis / Q000401:mortality / Q000517:prevention & control*; D013997:Time Factors; D014852:Wales; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins