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Fragalà E, Russo GI, Di Rosa A, Giardina R, Privitera S, Favilla V, Patti F, Welk B, Cimino S, Castelli T, Morgia G.Fragalà E, et al. Among authors: welk b.Int Neurourol J. 2015 Dec;19(4):272-7. doi: 10.5213/inj.2015.19.4.272. Epub 2015 Dec 28.Int Neurourol J. 2015.PMID: 26739182Free PMC article.