[1]
P. C. Fonseca and M. A. M. Ferreira, “ Investigation of efficiency levels in the use of resources in the health sector: an analysis of the micro-regions of Minas Gerais ”, Saúde Soc., vol. 18, no. 2, pp. 199–213, Jun. 2009, doi: 10.1590/S0104-12902009000200004.