Saidov Maksud Arifovich, Nizamov Khushnud Shukhratovich, Kushnazarov Rustam Safarovich, Rakhmatullaev Akmal Akbarovich, and Ruzieva Amira Asrorovna, “MODERN ASPECTS OF IRON DEFICIENCY IN CHRONIC HEART FAILURE”, JournalNX, vol. 9, no. 4, pp. 537–544, Apr. 2023.