Jibran, M. S.; Habib, S. A.; Khan, S. B.; Gul, A. M. FACTORS RESPONSIBLE FOR INSIGNIFICANT DECREASE IN PULMONARY ARTERY PRESSURE IMMEDIATELY AFTER PER CUTANEOUS TRANS-MITRAL COMMISSUROTOMY IN PATIENTS OF RHEUMATIC MITRAL STENOSIS. Khyber Med Univ J 2019, 11, 67-70.