RAMÍREZ HASSAN, A.; CARDONA JIMÉNEZ, J.; CADAVID MONTOYA, R. 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: 4 jul. 2022.