OSTHOFF, M.; JENKINS, C.; LEUPPI, J. D. Chronic obstructive pulmonary disease – a treatable disease. Swiss Medical Weekly, [S. l.], v. 143, n. 1516, p. w13777, 2013. DOI: 10.4414/smw.2013.13777. Disponível em: https://smw.ch/index.php/smw/article/view/1674. Acesso em: 21 sep. 2024.