Syvolap, V. V., E. V. Novikov, V. A. Lysenko, A. A. Bogun, V. A. Matsalaeva, and M. P. Gerasko. “Sinus of Valsalva Thrombosis (clinical Observation)”. Zaporozhye мedical Journal, no. 1, Jan. 2018, doi:10.14739/2310-1210.2018.1.122159.