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Wang ET, Fujimoto VY, Yeaton-Massey AJ, Vittinghoff E, Caughey AB, Huddleston HG.Wang ET, et al. Among authors: caughey ab.Fertil Steril. 2011 Jun 30;95(8):2769-71. doi: 10.1016/j.fertnstert.2011.01.166. Epub 2011 Feb 26.Fertil Steril. 2011.PMID: 21353672Free article.