The impact of subsidized health insurance on the poor in Colombia: evaluating the case of Medellín . Economia Aplicada, [S. l.], v. 17, n. 4, p. 543–556, 2013. DOI: 10.1590/S1413-80502013000400001. Disponível em: https://www.revistas.usp.br/ecoa/article/view/78263.. Acesso em: 27 abr. 2024.