LEFT ATRIAL APPENDAGE CLOSURE IN PATIENTS WITH A REDUCED LEFT VENTRICULAR EJECTION FRACTION: RESULTS FROM THE MULTICENTER GERMAN LAARGE REGISTRY СтатьяFastner C., Borggrefe M., Akin I., Brachmann J., Lewalter T., Zeymer U., Sievert H., Weiß C., Geist V., Krapivsky A., Käunicke M., Mudra H., Hochadel M., Schneider S., Senges J.Clinical Research in Cardiology. 2020.