BUTTERWORTH, Katrina. Management of Stable COPD – a Clinical Review. Journal of General Practice and Emergency Medicine of Nepal, [S. l.], v. 2, n. 02, p. 44–47, 2011. Disponível em: https://nepjol.info/index.php/jgpemn/article/view/89470. Acesso em: 11 mar. 2026.