Impact of maternal serum alpha-fetoprotein screening on antenatal diagnosisBr Med J (Clin Res Ed) 1982; 285 doi: https://doi.org/10.1136/bmj.285.6351.1354-a (Published 06 November 1982) Cite this as: Br Med J (Clin Res Ed) 1982;285:1354
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