Aktas, A., Celik, I., Koc, E., Aydin, C., Inci, I., Tasdelen, H.A., Bulut, E. and Kucuktulu, U. 2022. Early cholecystectomy may be performed in patients with Tokyo Guideline 2018 grade III acute cholecystitis who have risk factors. Annals of Medical Research. 29, 10 (Oct. 2022), 1067–1072.