Taimur, S., S. Khan, M. Karim, and M. Rahman. “Rare Case of Ruptured Sinus of Valsalva: Ruptured Into Left Ventricular Cavity”. Cardiovascular Journal, vol. 4, no. 1, Jan. 2012, pp. 96-98, doi:10.3329/cardio.v4i1.9398.