Nair, KKMSivadasanpillai, HThajudeen, ATharakan, J2017-03-102017-03-10201259 ,13;E2035-E2035https://dspace.sctimst.ac.in/handle/123456789/10214Cardiovascular System & CardiologyPERSISTENT PULMONARY ARTERY HYPERTENSION AFTER BALLOON MITRAL VALVOTOMY