Aziz, Kalimuddin, ASADULLAH KUNDI, NAZIR AHMED MEMON, and AFTAB AHMED LASHARI. “Colour Flow And Doppler Assessment Of Ventricular Septal Defect”. Pakistan Heart Journal 30, no. 1-2 (July 24, 2012). Accessed November 23, 2024. https://pakheartjournal.com/index.php/pk/article/view/160.