For citations:

Lebedev D.I., Savenkova G.M., Krivolapov S.N., Balandin D.A. Impact of atrial fibrillation on efficacy of cardiac resynchronization therapy in patients with severe heart failure. Siberian Journal of Clinical and Experimental Medicine. 2015;30(1):97-100. (In Russ.) https://doi.org/10.29001/2073-8552-2015-30-1-97-100