Nualyong, C. . “Robotic Assisted Laparoscopic Radical Prostatectomy (da Vinci Prostatectomy)”. Siriraj Medical Journal, vol. 59, no. 5, Sept. 2007, pp. 251-4, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246145.