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Hasenburg A, Fischer DC, Tong XW, Rojas-Martinez A, Kaufman RH, Ramzy I, Kohlberger P, Orlowska-Volk M, Aguilar-Cordova E, Kieback DG.Hasenburg A, et al. Among authors: kieback dg.J Soc Gynecol Investig. 2002 May-Jun;9(3):174-80.J Soc Gynecol Investig. 2002.PMID: 12009393Clinical Trial.