EFFICACY OF IVABRADIN IN COMBINED TREATMENT OF PATIENTS WITH POSTINFARCTION SYSTOLIC CHRONIC CARDIAC FAILURE ArticlePotapenko A.V., Abdulazizov O.Sh., Dyachuk L.I., Kiyakbaev G.K., Kobalava Zh.D., Moiseev V.S.Terapevticheskii Arkhiv. Том 83. 2011. С. 19-26