Kajbafzadeh, Abdolmohammad. “Congenital Urethral Anomalies in Boys. Part I: Posterior Urethral Valves”. Urology Journal 2, no. 2 (May 13, 2009): 59–78. Accessed November 4, 2026. https://ojs3.sbmu.ac.ir/urolj/index.php/uj/article/view/253.