A. Gonzáles, R. Iglesias, A. Galarza, E. Gómez, O. L. Rojas, and E. Torres, “Diagnosis and treatment of intra-abdominal sepsis: a study of 240 patients at the Hospital Universitario del Valle, Cali”, Colomb Med, vol. 18, no. 3, pp. 123–127, Sep. 1987.