When the body and appendage of the left atrium disagree: "Focal" atrial fibrillation-implications for atrial thrombus formation and risk of thromboembolism.
Seto TB, Buchholz WA, Douglas PS, Manning WJ. When the body and appendage of the left atrium disagree: "Focal" atrial fibrillation-implications for atrial thrombus formation and risk of thromboembolism. J Am Soc Echocardiogr. 1999 Dec; 12(12):1097-100.