Mukhtiar, N., M. Najabat Ali, and H. . Inam. “DESIGN AND DEVELOPMENT OF IMPURITIES FREE PYROLYTIC COATED MECHANICAL BI-LEAFLET HEART VALVE PROTOTYPE”. Pakistan Heart Journal, vol. 54, no. 3, Sept. 2021, pp. 277-84, doi:10.47144/phj.v54i3.2114.