Correlation of Chest Radiographic findings with Spirometry in Chronic Obstructive Pulmonary Disease (COPD). The Insight, Dhaka, BD, v. 3, n. 02, p. 12, 2021. Disponível em: https://www.bdjournals.org/index.php/insight/article/view/62. Acesso em: 3 may. 2025.