Azevedo, R. C. S. de; Higa, C. M. H.; Assumpção, I. S. A. M. de; Fernandes, R. F.; Boscolo, M. M.; Frazatto, C. R. G.; Goulart, W. Approach on Smoking Cessation by Training Public Health Providers . Rev. saúde pública 2008, 42 (2), 353-355. https://doi.org/10.1590/S0034-89102008005000011.