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Zhou Y, Huang J, Cheng YK, Leung TY, Pooh RK, Lo FM, Choy KW.Zhou Y, et al. Among authors: leung ty.Prenat Diagn. 2014 Mar;34(3):296-8. doi: 10.1002/pd.4292. Epub 2013 Dec 23.Prenat Diagn. 2014.PMID: 24375696No abstract available.
Law LW, Lau TK, Fung TY, Leung TY, Wang CC, Choy KW.Law LW, et al. Among authors: leung ty.BJOG. 2009 Jan;116(2):339-43. doi: 10.1111/j.1471-0528.2008.01948.x. Epub 2008 Nov 11.BJOG. 2009.PMID: 19018765
Heung MM, Tsui NB, Leung TY, Lau TK, Lo YM, Chiu RW.Heung MM, et al. Among authors: leung ty.Prenat Diagn. 2009 Mar;29(3):277-9. doi: 10.1002/pd.2191.Prenat Diagn. 2009.PMID: 19165816No abstract available.