C. A. de Lolio, J. M. P. de Souza, A. H. Santo, and C. M. Buchalla, “ Prevalence of smoking in a city of southeasthern Brazil ”, Rev. saúde pública, vol. 27, no. 4, pp. 262–265, Aug. 1993, doi: 10.1590/S0034-89101993000400005.