NASIM, Z.; SAQIB, M.; MAHMUD, T.; HAMID, M. Comparison of Arterial and Venous Blood Gases in Patients Presenting with Acute Exacerbations of Chronic Obstructive Pulmonary Disease. Pakistan Journal of Chest Medicine, [S. l.], v. 25, n. 3, p. 125–128, 2019. Disponível em: http://www.pjcm.net/index.php/pjcm/article/view/626. Acesso em: 29 apr. 2026.