Volpato, E. de S. N., M. Betini, M. E. Puga, A. Agarwal, A. J. M. Cataneo, L. D. de Oliveira, R. Bazan, L. G. Braz, J. E. G. Pereira, and R. E. Dib. “Strategies to Optimize MEDLINE and EMBASE Search Strategies for Anesthesiology Systematic Reviews. An Experimental Study”. São Paulo Medical Journal, vol. 136, no. 2, Apr. 2018, pp. 103-8, https://periodicosapm.emnuvens.com.br/spmj/article/view/1346.