Gutiérrez Ossa, J. A. and Restrepo Avendaño, R. D. (2013) “Pespective of the modulation in the General of health and Social Security in Colombia”, Universidad y Salud. San Juan de Pasto, CO, 15(2), pp. 256–268. Available at: https://revistas.udenar.edu.co/index.php/usalud/article/view/2368 (Accessed: 12 April 2026).