Ahmad, Rehan, Haq Nawaz, Hassan Shahzad Nazar, Sarfraz Ahmad, Aftab Rabbani, and Basharat Ahmed. 2011. “AETIOLOGY OF TRICUSPID REGURGITATION”. Journal of Ayub Medical College Abbottabad 23 (4):28-29. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/2328.