Chetthanukul, Pinit, and Sittiporn Srinualnad. 2010. “The Functional and Oncological Outcomes of 242 Cases of Extraperitoneal Laparoscopic Radical Prostatectomy”. Insight Urology 31 (1):70-75. https://he02.tci-thaijo.org/index.php/TJU/article/view/252344.