YASIN, M.; AHMAD, W. .; ABBAS, M.; ASHRAF, S.; JAN, F. Correlation between FEV1 and Polycythemia in Chronic Obstructive Pulmonary Disease. Pakistan Journal of Chest Medicine, [S. l.], v. 30, n. 3, p. 298–304, 2024. Disponível em: https://pjcm.net/index.php/pjcm/article/view/931. Acesso em: 17 apr. 2026.