Restrepo Betancur, Luis Fernando, and Holmes Rodríguez Espinosa. “Comparative Analysis of Life Expectancy in South America, 1980 - 2010”. Universidad y Salud 16, no. 2 (October 15, 2014): 177–187. Accessed April 15, 2026. https://revistas2.udenar.edu.co/index.php/usalud/article/view/2384.