Ergasheva Ma’mura Toshtemirovna, Khusainova Munira Alisherovna, Yarmatov Suvon Totlibayevich and Boyqobilov Suhrob Duskobilovich 2022. THE VALUE OF XANTHINE IN CHRONIC HEART FAILURE. Spectrum Journal of Innovation, Reforms and Development. 4, (Jun. 2022), 24–29.