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Shao R, Wang X, Wang W, Stener-Victorin E, Mallard C, Brännström M, Billig H.Shao R, et al. Among authors: billig h.Fertil Steril. 2012 Nov;98(5):1175-85. doi: 10.1016/j.fertnstert.2012.07.1113. Epub 2012 Aug 9.Fertil Steril. 2012.PMID: 22884019Free article.Review.
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