Kawaida, Keisuke Spontaneous Round-Shaped Left Atrial Hematoma. [electronic resource] - The International journal of angiology : official publication of the International College of Angiology, Inc Dec 2016 - e145-e146 p. digital Publication Type: Case Reports; Journal Article ISSN: 1061-1711 Standard No.: 10.1055/s-0035-1558428 doi