Serra, Walter Left Atrial Appendage Thrombosis During Therapy with Rivaroxaban in Elective Cardioversion for Permanent Atrial Fibrillation. [electronic resource] - Clinics and practice Sep 2015 - 788 p. digital Publication Type: Case Reports; Journal Article ISSN: 2039-7275 Standard No.: 10.4081/cp.2015.788 doi