TSCHOPP, J.-M. COPD - moving beyond bronchodilation. Swiss Medical Weekly, [S. l.], v. 137, n. 1112, p. 161–161, 2007. DOI: 10.4414/smw.2007.11676. Disponível em: https://smw.ch/index.php/smw/article/view/713. Acesso em: 2 dec. 2024.