Samadova Nigina Alisherovna, Madjidova Gulbahor Tolibovna, Yaxyoev Azim Akmalovich and Melikov Ulug’bek Shavkatovich 2022. A MODERN APPROACH TO RISK STRATIFICATION IN PATIENTS WITH HEART FAILURE WITH PRESERVED AND REDUCED EJECTION FRACTION. Web of Scientist: International Scientific Research Journal. 3, 5 (May 2022), 73–81. DOI:https://doi.org/10.17605/OSF.IO/DW2AE.