CARDONA-AGUDELO, HUGO. Market Failures: a Challenge to the Colombian Healt System. Analecta política, [S. l.], v. 5, n. 9, p. 259–263, 2015. Disponível em: https://revistas.upb.edu.co/index.php/analecta/article/view/2440. Acesso em: 7 aug. 2026.