Srinualnad, Sittiporn. 2007. “Sittipornûs Sound facilitating Urethro-vesical Anastomosis during Extraperitoneal Laparoscopic Radical Prostatectomy and Extraperitoneal Robotic Assisted Laparoscopic Radical Prostatectomy: The New Invention”. Insight Urology 28 (2):150-53. https://he02.tci-thaijo.org/index.php/TJU/article/view/253225.