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Neff D, Guise A, Guralnick ML, Langenstroer P, See WA, Jacobsohn KM, O'Connor RC.Neff D, et al. Among authors: langenstroer p.Can Urol Assoc J. 2013 May-Jun;7(5-6):E260-2. doi: 10.5489/cuaj.318.Can Urol Assoc J. 2013.PMID: 23766826Free PMC article.