Tunitiyasawasdikul, Vinai, Vajaraphongsa Bhudhisawasdi, Siri Chau-in, and Vallop Laopaiboon. 2013. “Gallbladder Perforation: Report of 10 Cases”. Srinagarind Medical Journal 4 (4):283-88. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13550.