AHASAN, H. N.; HOSSAIN, H. T. COPD Guidelines: Old Gold versus New Gold. Bangladesh Journal of Medicine, [S. l.], v. 29, n. 1, p. 31–35, 2018. DOI: 10.3329/bjmed.v29i1.35405. Disponível em: https://banglajol.info/index.php/BJMED/article/view/35405. Acesso em: 23 nov. 2024.