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17. Down's syndrome screening: a controversial test, with more controversy to come! Sebire NJ J Clin Pathol; 2001 Jul; 54(7):573. PubMed ID: 11429436 [No Abstract] [Full Text] [Related]
18. [Antenatal diagnosis of Down's syndrome]. Liu ZJ; Liang DY; Chen M Zhonghua Fu Chan Ke Za Zhi; 2010 Oct; 45(10):732-4. PubMed ID: 21176551 [No Abstract] [Full Text] [Related]