1. Nakao A, Matsuda T, Funabiki S, Mori T, Koguchi K, Iwado T, et al. Gallbladder torsion: case report and review of 245 cases reported in the Japanese literature. J Hepatobiliary Pancreat Surg. 1999; 6:418–421.
2. McHenry CR, Byrne MP. Gallbladder volvulus in the elderly: an emergent surgical disease. J Am Geriatr Soc. 1986; 34:137–139.
3. Nguyen T, Geraci A, Bauer JJ. Laparoscopic cholecystectomy for gallbladder volvulus. Surg Endosc. 1995; 9:519–521.
4. Ikematsu Y, Yamanouchi K, Nishiwaki Y, Kida H, Waki S, Okawada T, et al. Gallbladder volvulus: experience of six consecutive cases at an institute. J Hepatobiliary Pancreat Surg. 2000; 7:606–609.
5. Schroder DM, Cusumano DA 3rd. Laparoscopic cholecystectomy for gallbladder torsion. Surg Laparosc Endosc. 1995; 5:330–334.
6. Vosswinkel JA, Colantonio AL. Torsion of the gallbladder: laparoscopic identification and treatment. Surg Endosc. 1999; 13:1154–1156.
7. Losken A, Wilson BW, Sherman R. Torsion of the gallbladder: a case report and review of the literature. Am Surg. 1997; 63:975–978.
8. Carter R, Thompson RJ Jr, Brennan LP, Hinshaw DB. Volvulus of the gallbladder. Surg Gynecol Obstet. 1963; 116:105–108.
9. Safadi RR, Abu-Yousef MM, Farah AS, al-Jurf AS, Shirazi SS, Brown BP. Preoperative sonographic diagnosis of gallbladder torsion: report of two cases. J Ultrasound Med. 1993; 12:296–298.
10. Usui M, Matsuda S, Suzuki H, Ogura Y. Preoperative diagnosis of gallbladder torsion by magnetic resonance cholangiopancreatography. Scand J Gastroenterol. 2000; 35:218–222.