Thowprasert, Weerayut, and Saritphat Orrapin. “The Predictive Factors Associated With Longer Operative Time in Single-Incision Laparoscopic Cholecystectomy”. Siriraj Medical Journal 73, no. 10 (October 1, 2021): 672–679. Accessed March 28, 2024. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/254006.