First trimester down syndrome screening: Free beta (hCG) and PAPP-A: D. Krantzx1, J. Larsen2, P. Buchanan3, J. Macri1, 1NTD Laboratories, Inc, Huntington Station, NY, 2George Washington University Medical Center, Washington, DC, 3GeneCare Medical Genetics Center, Chapel Hill, NC

• Book ID: 115685088
• Publisher: Elsevier Science
• Year: 1995
• Tongue: English
• Weight: 121 KB
• Volume: 172
• Category: Article
• ISSN: 1097-6868
• DOI: 10.1016/0002-9378(95)90710-6