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Ahmed K, Ahmed M, Potrata B, Willis TA, Grant HL, Allsop MJ, Hewison J, Downey L, Gale R, McKibbin M.Ahmed K, et al. Among authors: allsop mj.Prenat Diagn. 2015 Sep;35(9):913-8. doi: 10.1002/pd.4644. Epub 2015 Jul 16.Prenat Diagn. 2015.PMID: 26126503Free article.