PARAMETERS OF VENTRICULAR-ARTERIAL COUPLING AND THEIR PROGNOSTIC VALUE IN STABLE PATIENTS WITH ARTERIAL HYPERTENSION AND HEART FAILURE WITH REDUCED EJECTION FRACTION Article Tyukhmenev E., Akhmetov R., Villevalde V., Kobalava Z. Journal of Hypertension. Vol. Volume 34 e-. 2016. P. 263-263