Manositisak P. Comparative Study Between Modified Three – Port and Standard Four – Port Laparoscopic Cholecystectomy in Kalasin Hospital. SRIMEDJ [internet]. 2013 Oct. 31 [cited 2026 Sep. 17];25(3):228-32. available from: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/12925