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3. New Down syndrome screening algorithm: ultrasonographic biometry and multiple serum markers combined with maternal age. Bahado-Singh RO; Oz AU; Kovanci E; Deren O; Copel J; Baumgarten A; Mahoney J Am J Obstet Gynecol; 1998 Dec; 179(6 Pt 1):1627-31. PubMed ID: 9855608 [TBL] [Abstract][Full Text] [Related]
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