IFTIKHAR ALI KAKAR, ABDUL BAQI, NASIR AZIM, HAFSA RAFIQ, IQRA LODHI, KHALID SHAHAB. Pulmonary Arterial Hypertension in COPD and its Correlation with Disease Severity. Pakistan Journal of Medical & Health Sciences, [S. l.], v. 16, n. 12, p. 391, 2023. DOI: 10.53350/pjmhs20221612391. Disponível em: https://pjmhsonline.com/index.php/pjmhs/article/view/3705. Acesso em: 17 jul. 2024.