Abdullah Emad Abdelhaleim Abdullah. “Comparison of Traditional and Vacuum-Assisted Sheaths in Pediatric Supine Mini-Percutaneous Nephrolithotomy”. The International Journal of Multiphysics, vol. 18, no. 3, Sept. 2024, pp. 5209 -20, https://www.themultiphysicsjournal.com/index.php/ijm/article/view/2188.