Figure 2. Urethral stricture formation under urethroscopy.
A Urethroscopy of rabbit in DH group. Note no significant urethral stricture formation and F13 urethroscopy could easily pass through. B Urethroscopy of rabbit in DL group. Note urethral stricture formation and F13 urethroscopy could hardly pass through. C Urethroscopy of rabbit in C group. Note severe urethral stricture formation, stopping F13 urethroscopy pass through.