1. Alwaal, A., Blaschko, S. D., McAninch, J. W. & Breyer, B. N. Epidemiology of urethral strictures. Transl Androl. Urol. 3, 209–213 (2014).
2. Tritschler, S., Roosen, A., Füllhase, C., Stief, C. G. & Rübben, H. Urethral stricture: etiology, investigation and treatments. Dtsch. Arztebl. Int. 110, 220–226 (2013).
3. Santucci, R. A., Joyce, G. F. & Wise, M. Male urethral stricture disease. J. Urol. 177, 1667–1674 (2007).
4. Mundy, A. R. & Andrich, D. E. Urethral strictures. BJU Int. 107, 6–26 (2011).
5. Davis, N. F. et al. Incidence, cost, complications and clinical outcomes of iatrogenic urethral catheterization injuries: a prospective multi-institutional study. J. Urol. 196, 1473–1477 (2016).