Romero Ramírez, Herman, Norma Muñoz Albán, Consuelo Albán Meneses, and Alicia Escobar Torres. 2021. “Association Between Socioeconomic Factors and Postoperative Complications of Cholecystectomy”. International Journal of Medical and Surgical Sciences 8 (1). https://doi.org/10.32457/ijmss.v8i1.630.