Astur, D. C., R. F. Batista, A. Gustavo, and M. Cohen. “Trends in Treatment of Anterior Cruciate Ligament Injuries of the Knee in the Public and Private Healthcare Systems of Brazil”. São Paulo Medical Journal, vol. 131, no. 4, July 2013, pp. 257-63, https://periodicosapm.emnuvens.com.br/spmj/article/view/1322.