Prevalence of tobacco smoking in Switzerland: do reported numbers underestimate reality?. Swiss Medical Weekly, [S. l.], v. 147, n. 1920, p. w14437, 2017. DOI: 10.4414/smw.2017.14437. Disponível em: https://www.smw.ch/index.php/smw/article/view/2298. Acesso em: 19 oct. 2025.