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Rayis DA, Abbaker AO, Salih Y, Diab TE, Adam I.Rayis DA, et al.BMC Res Notes. 2010 Dec 6;3:327. doi: 10.1186/1756-0500-3-327.BMC Res Notes. 2010.PMID: 21134264Free PMC article.
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Rayis DA, Abbaker AO, Salih Y, Adam I.Rayis DA, et al.Int J Gynaecol Obstet. 2011 May;113(2):160-1. doi: 10.1016/j.ijgo.2010.12.008. Epub 2011 Mar 11.Int J Gynaecol Obstet. 2011.PMID: 21397227No abstract available.
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