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Rosen RK, Morrow KM, Carballo-Diéguez A, Mantell JE, Hoffman S, Gai F, Maslankowski L, El-Sadr WM, Mayer KH.Rosen RK, et al.J Womens Health (Larchmt). 2008 Apr;17(3):383-92. doi: 10.1089/jwh.2006.0325.J Womens Health (Larchmt). 2008.PMID: 18328009Clinical Trial.