Kongkam , Kovit, Prinya Santichatngam, and Nut Boonnithi. 2024. “Prospective Randomized Trial of Intraoperative Bupivacaine Irrigation at Dome of Diaphragm for Management of Shoulder-Tip Pain following Laparoscopic Cholecystectomy: a Preliminary Report”. Maharat Nakhon Ratchasima Hospital Journal 26 (3). Nakhon Ratchasima,Thailand:131-38. https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/2169.