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Nihon Rinsho Geka Gakkai Zasshi. 2014; 75:353-359. (in Japanese)","DOI":"10.3919\/jjsa.75.353"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Onoe S, Kaneoka Y, Maeda A, Takayama Y, Fukami Y, Isogai M. Hepatectomy of segment 4b and 5 with extrahepatic bile duct resection for pT2 gallbladder carcinoma is valid: a single-institution result. Updates Surg. 2015; 67:265-271.","DOI":"10.1007\/s13304-015-0319-y"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Horiguchi A, Miyakawa S, Ishihara S, <i>et al<\/i>. Gallbladder bed resection or hepatectomy of segments 4a and 5 for pT2 gallbladder carcinoma: Analysis of Japanese registration cases by the study group for biliary surgery of the Japanese Society of Hepato-Biliary-Pancreatic Surgery. J Hepatobiliary Pancreat Sci. 2013; 20:518-524.","DOI":"10.1007\/s00534-012-0584-9"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10. Tharmalingam S, Flemming J, Richardson H, Hurlbut D, Nanji S. 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