Management of chronic obstructive pulmonary disease exacerbations in Internal Medicine. Italian Journal of Medicine, [S. l.], v. 5, n. 3, p. 199–214, 2013. DOI: 10.4081/itjm.2011.199. Disponível em: https://www.italjmed.org/ijm/article/view/itjm.2011.199. Acesso em: 6 jul. 2025.