EDRA, A.; SYAMSU, A.; SISWANTI, D. . Severity of Obstruction Associated with Pulmonary Hypertension in COPD Patients at Arifin Achmad General Hospital: What Factors Influence? . Respiratory Science, [S. l.], v. 5, n. 3, p. 185-197, 2025. DOI: 10.36497/respirsci.v5i3.173. Disponível em: https://respiratoryscience.or.id/index.php/journal/article/view/173. Acesso em: 2 may. 2026.