Ligation of left atrial appendage during off-pump coronary surgery - Enginoev, Soslan; Koz'min, Dmitry; Magomedov, Gasan; Makeev, Sergey; Chernov, Sergey; Ilov, Nikolay; Tarasov, Dmiry; Zhigalov, Konstantin; Weymann, Alexander (The thoracic and cardiovascular surgeon, 2020)