Outcome at three months of COPD patients with acute hypercapnic respiratory failure treated with NPPV in an Acute Medicine Ward. Emergency Care Journal, [S. l.], v. 7, n. 1, p. 5–9, 2011. DOI: 10.4081/ecj.2011.1.5. Disponível em: https://www.pagepressjournals.org/ecj/article/view/ecj.2011.1.5. Acesso em: 31 may. 2026.