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24. Analysis of maternal serum alpha-fetoprotein and free beta human chorionic gonadotrophin in the first trimester: implications for Down's syndrome screening. Berry E; Aitken DA; Crossley JA; Macri JN; Connor JM Prenat Diagn; 1995 Jun; 15(6):555-65. PubMed ID: 7544898 [TBL] [Abstract][Full Text] [Related]
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26. Free beta-chorionic gonadotropin: a cross-reactivity study of two immunometric assays used in prenatal maternal serum screening for Down's syndrome. Macri JN; Spencer K; Anderson RW; Cook EJ Ann Clin Biochem; 1993 Jan; 30 ( Pt 1)():94-8. PubMed ID: 7679563 [TBL] [Abstract][Full Text] [Related]
27. Second-trimester maternal serum invasive trophoblast antigen: a marker for Down syndrome screening. Pandian R; Cole LA; Palomaki GE Clin Chem; 2004 Aug; 50(8):1433-5. PubMed ID: 15166108 [No Abstract] [Full Text] [Related]
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30. Elevated maternal urine level of beta-core fragment of human chorionic gonadotropin versus serum triple test in the second-trimester detection of down syndrome. Bahado-Singh R; Oz U; Rinne K; Hunter D; Cole L; Mahoney MJ; Baumgarten A Am J Obstet Gynecol; 1999 Oct; 181(4):929-33. PubMed ID: 10521756 [TBL] [Abstract][Full Text] [Related]
31. Screening of maternal serum for fetal Down's syndrome in the first trimester. Haddow JE; Palomaki GE; Knight GJ; Williams J; Miller WA; Johnson A N Engl J Med; 1998 Apr; 338(14):955-61. PubMed ID: 9521983 [TBL] [Abstract][Full Text] [Related]
32. Hyperglycosylated human chorionic gonadotropin (invasive trophoblast antigen) immunoassay: A new basis for gestational Down syndrome screening. Cole LA; Shahabi S; Oz UA; Bahado-Singh RO; Mahoney MJ Clin Chem; 1999 Dec; 45(12):2109-19. PubMed ID: 10585342 [TBL] [Abstract][Full Text] [Related]
33. [Trisomy-21 screening using AFPplus in the eastern part of Switzerland]. Zimmermann R; Schmid W; Binkert F; Achermann J; Huch R; Huch A Schweiz Med Wochenschr; 1995 Jul; 125(26):1286-93. PubMed ID: 7541552 [TBL] [Abstract][Full Text] [Related]
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