HASSAN, S. H.; BEG, F. S.; SHEIKH, S. A. USEFULNESS OF MODIFIED BORG SCALE FOR DYSPNOEA IN CHRONIC OBSTRUCTIVE PULMONARY DISEASES AND ASTHMA IN A RURAL POPULATION OF KARACHI. Pakistan Journal of Chest Medicine, [S. l.], v. 13, n. 3, 2015. Disponível em: https://pjcm.net/index.php/pjcm/article/view/197. Acesso em: 8 mar. 2026.