URCH, B.; SILVERMAN, F. The Air We Breathe: From Cigarette Smoke to Environmental Air Pollutants. The Health & Fitness Journal of Canada, [S. l.], v. 4, n. 3, p. 21–26, 2011. DOI: 10.14288/hfjc.v4i3.98. Disponível em: https://hfjc.library.ubc.ca/index.php/HFJC/article/view/98. Acesso em: 5 may. 2024.