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Tan WS, Low WY, Ng CJ, Tan WK, Tong SF, Ho C, Khoo EM, Lee G, Lee BC, Lee V, Tan HM.Tan WS, et al. Among authors: tong sf.BJU Int. 2013 Jun;111(7):1130-40. doi: 10.1111/bju.12037. Epub 2013 Apr 12.BJU Int. 2013.PMID: 23651425Clinical Trial.