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Dale RT, Metcalfe M, Chang S, Jones E, Black P.Dale RT, et al.Can Urol Assoc J. 2015 Nov-Dec;9(11-12):E910-2. doi: 10.5489/cuaj.3235. Epub 2015 Dec 14.Can Urol Assoc J. 2015.PMID: 26834906Free PMC article.