Ashfaq, M. (2021) “EARLY MORTALITY & MORBIDITY IN MITRAL VALVE REPLACEMENT WITH TOTAL SUB-VALVULAR APPARATUS PRESERVATION, PARTIAL PRESERVATION AND NO PRESERVATION - A COMPARATIVE STUDY”, Pakistan Armed Forces Medical Journal, 70(Suppl-4), pp. S715–20. doi:10.51253/pafmj.v70iSuppl-4.6006.