title: Prenatal screening vouchers.
authors.affiliation: Institute of Epidemiology and Health Services Research, Leeds, England.
authors.forename: R J
authors.initials: RJ
authors.lastname: Lilford
authors.forename: J G
authors.initials: JG
authors.lastname: Thornton
mesh_terms: D002755:Choice Behavior; D003362:Cost-Benefit Analysis; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000191:economics*; D010358:Patient Participation / Q000191:economics*; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000191:economics*; D006113:United Kingdom