Baldaçara, L., Álvaro F. Silva, J. G. D. Castro, and G. de Carvalho. “Common Psychiatric Symptoms Among Public School Teachers in Palmas, Tocantins, Brazil: An Observational Cross-Sectional Study”. São Paulo Medical Journal, vol. 133, no. 5, Sept. 2015, pp. 435-8, https://periodicosapm.emnuvens.com.br/spmj/article/view/1666.