Irfan Ul Haq, Shams Ul Islam, Muhammad Safdar Khan, Sarmad Imtiaz, Muhammad Asif. “Comparative Study of Captopril Gel Assisted Clean Intermittent Self-Catheterization Versus Xylocaine Gel in Preventing Recurrence of Urethral Stricture Following Direct Vision Internal Urethrotomy”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 08, Sept. 2022, p. 169, doi:10.53350/pjmhs22168169.