1. Huffman JL, Schenker S. Acute acalculous cholecystitis: a review. Clinical Gastroenterology and Hepatology. 2010; 8(1): 15-22.
2. Vogt DP. Gallbladder disease: an update on diagnosis and treatment. Cleveland Clinic journal of medicine. 2002; 69(12): 977-84.
3. Brunicardi F, Andersen D, Billiar T, Dunn D, Hunter J, Pollock RE. Schwartz's principles of surgery: McGraw-Hill Professional; 2004.
4. Gutkin E, Hussain SA, Kim SH. The Successful Treatment of Chronic Cholecystitis with SpyGlass Cholangioscopy-Assisted Gallbladder Drainage and Irrigation through Self-Expandable Metal Stents. Gut and liver. 2012; 6(1): 136.
5. Jonnalagadda S. Endoscopic therapy of acute cholecystitis. Techniques in gastrointestinal Endoscopy. 2009; 11(1): 13-8.
6. Borzellino G, Sauerland S, Minicozzi AM, Verlato G, Di Pietrantonj C, De Manzoni G, et al. Laparoscopic cholecystectomy for severe acute cholecystitis. A meta-analysis of results. Surgical endoscopy. 2008; 22(1): 8-15.
7. Bergman S, Sourial N, Vedel I, Hanna WC, Fraser SA, Newman D, et al. Gallstone disease in the elderly: are older patients managed differently? Surgical endoscopy. 2011; 25(1): 55-61.
8. Shenghong Z. Thirty cases of chronic cholecystitis treated by acupuncture and oral adiministration of da chai hu tang. Journal of Traditional Chinese Medicine. 2008; 28(3): 173-4.
9. Mulholland M, Lillemoe K, Doherty G, Maier R, Simeone D. Upchurch GR Greenfields Surgery: Scientific Principles & Practice. Michigan: Lippincott Williams; 2010.
10. Hashemi F, Alamdar S. Correlation between Helicobacter Pylori and Chronic Cholecystitis in Gallbladder Specimens. Razi Journal of Medical Sciences. 2003; 9(31): 623-7.
11. Gharaibeh KI, Ammari F, Al-Heiss H, Al-Jaberi TM, Qasaimeh GR, Bani-Hani K, et al. Laparoscopic cholecystectomy for gallstones: a comparison of outcome between acute and chronic cholecystitis. Annals of Saudi medicine. 2001; 21(5/6): 312-6.
12. Hussain MI, Khan A-FA. Outcome of laparoscopic cholecystectomy in acute and chronic cholecystitis. Saudi medical journal. 2006; 27(5): 657-60.
13. Derakhshanfar A, Niayesh A, GHASEMI FM, HOMAEI J. Assessment of the frequency of complications due to laparoscopic cholecystectomy at Hamedan hospitals (1997-2005). 2008.
14. Agah S, Fereshtehnejad S, Neshat R. Assessment of the Prevalence of Gallstone in Ultrasonography of Gallbladder and Biliary Duct among Hospitalized Patients in. Razi Journal of Medical Sciences. 2008; 14(57): 7-13.
15. Schirmer B, Hallowell P. Maingot's abdominal operations. 2013.
16. Heaton K, Braddon F, Mountford R, Hughes A, Emmett P. Symptomatic and silent gall stones in the community. Gut. 1991; 32(3): 316-20.
17. Piehler J, Crichlow RW. Primary carcinoma of the gallbladder. Surgery, gynecology & obstetrics. 1978; 147(6): 929-42.
18. Paraskevopoulos JA, Dennison A, Ross B, Johnson AG. Primary carcinoma of the gallbladder: a 10-year experience. Annals of the Royal College of Surgeons of England. 1992; 74(3): 222.
19. Voyles CR, Smadja C, Shands WC, Blumgart LH. Carcinoma in choledochal cysts: age-related incidence. Archives of Surgery. 1983; 118(8): 986-8.
20. Zou S, Zhang L. Relative risk factors analysis of 3,922 cases of gallbladder cancer. Zhonghua wai ke za zhi [Chinese journal of surgery]. 2000; 38(11): 805-8.
21. Habib FA, Kolachalam RB, Khilnani R, Preventza O, Mittal VK. Role of laparoscopic cholecystectomy in the management of gangrenous cholecystitis. The American journal of surgery. 2001; 181(1): 71-5.
22. Vitetta L, Sali A, Little P, Mrazek L. Gallstones and gall bladder carcinoma. Australian and New Zealand journal of surgery. 2000; 70(9): 667-73.
23. Dorostan N, Paziar F, Mirrokni M. Evaluation of Relationship between Complications of Cholecystitis and Gender based on Findings during Laparoscopic Cholecystectomy in Educational Hospitals of Ahvaz. Scientific Medical Journal/Majalleh Elmi Peseshki Daneshgahe Elome Pezeshki Ahwaz. 2011.
24. Lee H, Han HS, Min S, Lee JH. Sex-based analysis of the outcome of laparoscopic cholecystectomy for acute cholecystitis. British journal of surgery. 2005; 92(4): 463-6.
25. Rodríguez-Sanjuán JC, Arruabarrena A, Sánchez-Moreno L, González-Sánchez F, Herrera LA, Gómez-Fleitas M. Acute cholecystitis in high surgical risk patients: percutaneous cholecystostomy or emergency cholecystectomy? The American Journal of Surgery. 2012; 204(1): 54-9.
26. Wudel LJ, Wright JK, Debelak JP, Allos TM, Shyr Y, Chapman WC. Prevention of gallstone formation in morbidly obese patients undergoing rapid weight loss: results of a randomized controlled pilot study. Journal of Surgical Research. 2002; 102(1): 50-6.
27. Gürleyik G, Gürleyik E, Öztürk A, Ünalmiser S. Gallbladder carcinoma associated with gallstones. Acta Chirurgica Belgica. 2002; 102(3): 203-6.