TI - Massive, ring-shaped pericardial calcification of atrioventricular groove AU - Altıntaş, B. AU - Deniz, D. AU - Altındağ, R. AU - Yaylak, B. AU - Baysal, E. AU - Bilge, Ö. SO - The Anatolian Journal of Cardiology 2017;18:5007-5007. DO - 10.14744/AnatolJCardiol.2017.7986