NAEEM, O. M.; MAHMUD, T. Frequency and Severity of Chronic Obstructive Pulmonary Disease in Cigarette Smokers Attending Psychiatry Out Patients Department. Pakistan Journal of Chest Medicine, [S. l.], v. 26, n. 2, p. 74–77, 2020. Disponível em: https://pjcm.net/index.php/pjcm/article/view/661. Acesso em: 17 apr. 2026.