7Greenwell TJ,Castle C,Andrich DE,et al. Repeat urethrotomy and dilation for the treatment of urethral stricture are neither clinically effective nor cost-effective[J]. J Urol,2004,172(1):275-277.
8Pansadoro V,Emiliozzi P. Internal urethrotomy in the management of anterior urethral strictures: long-term followup [J]. J Urol, 1996,156 (1): 73-75.