COMBINATION OF LEFT ATRIAL APPENDAGE ISOLATION AND LIGATION TO TREAT NONRESPONDERS OF PULMONARY VEIN ISOLATION Article Fink T., Heeger C.H., Lemeš C., Maurer T., Reissmann B., Rottner L., Santoro F., Tilz R.R., Alessandrini H., Rillig A., Mathew S., Ouyang F., Kuck K.H., Metzner A., Schlüter M., Wohlmuth P., Fang Q., Lee R. JACC: Clinical Electrophysiology. Elsevier Inc.. Vol. 4. 2018. P. 1569-1579
