Amaral, J. L. G. do, P. M. Pêgo-Fernandes, and B. J. Bibas. “More Doctors: Better Attention to the population’s health?*”. São Paulo Medical Journal, vol. 130, no. 3, May 2012, pp. 139-40, https://periodicosapm.emnuvens.com.br/spmj/article/view/1455.