Yepes Luján, Francisco. “Gasto Privado En Salud. Colombia 1977-1980”. Colombia Médica 15, no. 2 (August 15, 2016): 49-54. Accessed April 24, 2025. https://colombiamedica.univalle.edu.co/colombiamedica311/index.php/comedica/article/view/2481.