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Prevalence and factors associated with mortality in patients undergoing cholecystectomy in a public hospital in Southern Brazil from 2015 to 2020. RSD [Internet]. 2023 Jan. 1 [cited 2025 Jun. 28];12(1):e3112139221. Available from: https://ojs34.rsdjournal.org/index.php/rsd/article/view/39221