Efficacy of ivabradin in combined treatment of patients with postinfarction systolic chronic cardiac failure oleh Anton Valer'evich Potapenko, Olimzhon Sharifzhanovich Abdulazizov, Larisa Ivanovna Dyachuk, Gayrat Kaluevich Kiyakbaev, Zhanna Davidovna Kobalava, Valentin Sergeevich Moiseev, A V Potapenko, O Sh Abdulazizov, L I Dyachuk, G K Kiyakbaev, Zh D Kobalava, V S Moiseev