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Virant-Klun I, Tomazevic T, Vrtacnik-Bokal E, Vogler A, Krsnik M, Meden-Vrtovec H.Virant-Klun I, et al.Fertil Steril. 2006 Feb;85(2):526-8. doi: 10.1016/j.fertnstert.2005.10.018.Fertil Steril. 2006.PMID: 16595249Free article.