Wahab, Tauseef, Ihtisham Ahmad Khan, Adnan Bahadar, and Noman. 2025. “Frequency of Chronic COR Pulmonale in Patients With Chronic Obstructive Pulmonary Disease”. Indus Journal of Bioscience Research 3 (7): 1152-57. https://doi.org/10.70749/ijbr.v3i7.2429.