[1]
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, vol. 16, no. 12, p. 391, Feb. 2023.