RESTREPO-BETANCUR, Luis F. Economic investment in health programs in North, Central and South American countries during the last twenty years. Universidad y Salud, San Juan de Pasto, CO, v. 25, n. 2, p. D22-D26, 2023. DOI: 10.22267/rus.232502.303. Disponível em: https://revistas2.udenar.edu.co/index.php/usalud/article/view/6434. Acesso em: 15 apr. 2026.