Clinical Profile and Echocardiographic Evaluation of Right Heart in Patients of COPD and Its Correlation with Disease Progression. The Insight, Dhaka, BD, v. 7, n. 01, p. 225–232, 2024. Disponível em: https://bdjournals.org/index.php/insight/article/view/526. Acesso em: 25 feb. 2025.