Sukhontamas, Sutinee. 2020. “Early Versus Delayed Laparoscopic Cholecystectomy for the Management of Acute Cholecystitis: A Retrospective Review in Bangkok Metropolitan Administration General Hospital”. Journal of the Association of General Surgeons of Thailand under the Royal of Patronage of HM the King 5 (1):5-12. https://he02.tci-thaijo.org/index.php/agstjournal/article/view/243730.