Reduction of smoking in patients who do not intend to quit. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 25, n. 5, p. 611–2, 2009. DOI: 10.32385/rpmgf.v25i5.10682. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10682. Acesso em: 18 apr. 2026.