1. 1) Wendel A:A case of floating gallbladder and kidney complicated by chol elithiasis with per-forating of the gallbladder. Ann Surg 27:199-202, 1898
2. 3) Gross RE:Congenital anomalies of the gallbladder. Arch Surg 32:131-162, 1936
3. 5) Carter R, Thompson RJ, Brennan LP, et al:Volvulus of the gallbladder. Surg Gynecol Obstet 116:105-108, 1963
4. 6) Haines FX, Kane JT:Acute tortion of the gallbladder. Ann Surg 128:253-256, 1948
5. 8) Naganuma H, Ishida H, Komatsuda T, et al:Color dopplar diagnosis of gallbladder torsion:a case report. J Med Ultrasonics 25:103-106, 1998