HOWARD, Peter. Indices and COPD. Multidisciplinary Respiratory Medicine, [S. l.], v. 5, n. 1, 2010. DOI: 10.4081/mrm.2010.522. Disponível em: https://mrmjournal.org/index.php/mrm/article/view/522. Acesso em: 10 apr. 2025.