Ruiz , Luis Carlos, Jamir Muñoz Torres, Laura Catalina Quemba Rivera, Laura Alejandra Parada Medina, and Ledmar Jovanny Vargas Rodriguez. 2022. “Factors Associated With Cholelithiasis in a Hospital in Boyacá”. Journal of Medicine and Surgery Repertoire 31 (3):251-55. https://doi.org/10.31260/RepertMedCir.01217372.1186.