1. Ansari-Moghaddam A, Khorram A, Miri-Bonjar M, Mohammadi M, Ansari H. The Prevalence and Risk Factors of Gallstone Among Adults in South-East of Iran: A Population-Based Study. Glob J Health Sci 2015;8:60-67. [DOI:10.5539/gjhs.v8n4p60]

2. Sharma D, Kishore KN, Gondu GR, Thumma VM, Gunturi SV, Reddy JM, et al. Predictive factors for conversion from laparoscopic to open cholecystectomy: an institutional study. Int Surg J 2018;5:2894. [DOI:10.18203/2349-2902.isj20183210]

3. Hu ASY, Menon R, Gunnarsson R, de Costa A. Risk factors for conversion of laparoscopic cholecystectomy to open surgery - A systematic literature review of 30 studies. Am J Surg 2017;214:920-30. [DOI:10.1016/j.amjsurg.2017.07.029]

4. Savaddar F, Kachoie A, Bahadorzadeh M, Vahedian M, Noori E, Amirkanian F, et al. Investigation of the relationship between gallstone wall thickness before surgery of cholecystectomy Laparoscopic and the rate of conversion to open surgery. Jundishapur Scientific Medical Journal 2019; 18: 225-231. [In Persian]

5. Amin A, Haider MI, Aamir IS, Khan MS, Khalid Choudry U, Amir M, et al. Preoperative and Operative Risk Factors for Conversion of Laparoscopic Cholecystectomy to Open Cholecystectomy in Pakistan. Cureus 2019;11:e5446. [DOI:10.7759/cureus.5446]

6. Sippey M, Grzybowski M, Manwaring ML, Kasten KR, Chapman WH, Pofahl WE, et al. Acute cholecystitis: risk factors for conversion to an open procedure. J Surg Res 2015;199:357-61. [DOI:10.1016/j.jss.2015.05.040]

7. Warchałowski Ł, Łuszczki E, Bartosiewicz A, Dereń K, Warchałowska M, Oleksy Ł, et al. The Analysis of Risk Factors in the Conversion from Laparoscopic to Open Cholecystectomy. Int J Environ Res Public Health 2020;17:7571. [DOI:10.3390/ijerph17207571]

8. Philip Rothman J, Burcharth J, Pommergaard HC, Viereck S, Rosenberg J. Preoperative Risk Factors for Conversion of Laparoscopic Cholecystectomy to Open Surgery - A Systematic Review and Meta-Analysis of Observational Studies. Dig Surg 2016;33:414-23. [DOI:10.1159/000445505]

9. Noori E, Vahedian M, Savaddar F, Kachoie A, Eshraghi M, Minaei N. An investigational study about the conversion risk factors of laparoscopic cholecystectomy to open surgery. Tehran Univ Med J 2021; 78 :726-732. [In Persian]

10. Gholipour C, Fakhree MB, Shalchi RA, Abbasi M. Prediction of conversion of laparoscopic cholecystectomy to open surgery with artificial neural networks. BMC Surg 2009;9:13. [DOI:10.1186/1471-2482-9-13]

11. Ambe PC, Papadakis M, Zirngibl H. A proposal for a preoperative clinical scoring system for acute cholecystitis. J Surg Res 2016;200:473-79. [DOI:10.1016/j.jss.2015.09.010]

12. Ravendran K, Elmoraly A, Kagiosi E, Henry CS, Joseph JM, Kam C. Converting From Laparoscopic Cholecystectomy to Open Cholecystectomy: A Systematic Review of Its Advantages and Reasoning. Cureus 2024;16:e64694. [DOI:10.7759/cureus.64694]

13. Khakimov M, Karimov R, Sabanovic J, Patel B. "Intraoperative reasons for conversion of laparoscopic cholecystectomy to open surgery systematic review" systematic review. Health Sciences Review 2022;4:100035. [DOI:10.1016/j.hsr.2022.100035]