Khantasa-ard P. Comparative Study between Single Incision Transumbilical and Standard 3 - port Laparoscopic Cholecystectomy. J DMS [Internet]. 2019 Aug. 1 [cited 2024 Apr. 20];44(4):112-8. Available from: https://he02.tci-thaijo.org/index.php/JDMS/article/view/246716