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Eng MH, Charles LG, Ross BD, Chrisp CE, Pienta KJ, Greenberg NM, Hsu CX, Sanda MG.Eng MH, et al. Among authors: hsu cx.Urology. 1999 Dec;54(6):1112-9. doi: 10.1016/s0090-4295(99)00297-6.Urology. 1999.PMID: 10604719