FERRAZ, M. B. The importance of health economics in a world of proportionally increasing scarce resources . São Paulo Medical Journal, [S. l.], v. 113, n. 2, p. 54, 1995. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/1778. Acesso em: 17 oct. 2025.