5Walsh PC, Retik AB, Vaughan ED, et al. Campbell's urology [ M ]. USA : An hnprint of Elsevier :ienee ,2002:3919-3924.
6Suh JG, Choi WS, Paick JS, et al. Surgical oulcom of excision and end-t -end anastomosis fi r bulbar urethral stricture [ J ]. Korean J Uro1,2013,54(7 ) :442--44"7.
8Ramanathan R. Intermittent self-catheterization versus regular outpa- tient dilatation in urethral strieture:a comparison comment [ J ]. Aust N Z J Surg,1999,69(12) :884.