Ansari, E., P. Akhyari, and A. Lichtenberg. “Blood Cyst of the Anterior Leaflet of the Mitral Valve in an Asymptomatic Adult: Is Surgery an Objective?”. The Heart Surgery Forum, vol. 18, no. 5, Oct. 2015, pp. E196-E197, doi:10.1532/hsf.1369.