PREVALENCE AND MAIN PROBLEMS OF ANEMIA IN CHILDREN WITH CHRONIC KIDNEY DISEASE Ochilova Gulsora Shamsitdinovna, Toʻrayev Bahodir Sherali oʻgʻli, Mingbayev Akmal Usmonaliyevich, Habibulloyeva Bibiroziya Raxmatullozoda 71-78 2025-12-11