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23. [Rapid prenatal diagnosis of Down's syndrome in the first trimester of pregnancy by fluorescence in situ hybridization]. Xiang Y, Sun N, Wang F. Zhonghua Fu Chan Ke Za Zhi; 1997 Nov; 32(11):646-8. PubMed ID: 9639761 [Abstract] [Full Text] [Related]
28. Biochemical screening for Down's syndrome. Connor M. BMJ; 1993 Jun 26; 306(6894):1705-6. PubMed ID: 8343623 [No Abstract] [Full Text] [Related]
29. Serum screening for Down's syndrome. Counselling should emphasise possible outcomes of screening. Allaby M. BMJ; 1994 Nov 19; 309(6965):1373. PubMed ID: 7866103 [No Abstract] [Full Text] [Related]
30. Fluorescent in-situ hybridisation and Down's syndrome. Seres-Santamaria A, Catala V, Cuatrecasas E, Villanueva R. Lancet; 1993 Jun 12; 341(8859):1544. PubMed ID: 8099427 [No Abstract] [Full Text] [Related]
31. Early and rapid prenatal exclusion of Down's syndrome. Bryndorf T, Sundberg K, Christensen B, Philip J, Yokobata K, Gaiser C. Lancet; 1994 Mar 26; 343(8900):802. PubMed ID: 7907766 [No Abstract] [Full Text] [Related]