Isen, Kenan. “A Technique Using a Resectoscope Sheath under Direct Vision and Nasogastric Tube for Difficult Catheterization Following TURP”. Canadian Urological Association Journal 4, no. 6 (April 22, 2013): 434. Accessed April 28, 2026. https://cuaj.ca/index.php/journal/article/view/990.