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Waggoner SE, Mittendorf R, Biney N, Anderson D, Herbst AL.Waggoner SE, et al. Among authors: herbst al.Gynecol Oncol. 1994 Nov;55(2):238-44. doi: 10.1006/gyno.1994.1284.Gynecol Oncol. 1994.PMID: 7959291