Ahmed B, Hussain W, Hussain J, Basit A, Haider J, Muhammad AS, Raheem A. THIRTY-YEAR TREND OF NON-RHEUMATIC VALVULAR HEART DISEASE: A COMPARISON OF PAKISTAN WITH SOUTH ASIA AND GLOBAL SCENARIO. Pak Heart J [Internet]. 2022Dec.31 [cited 2024Sep.20];55(4):357-263. Available from: https://pakheartjournal1.pcs.org.pk/index.php/pk/article/view/2452