OROLBO‘YI MINTAQASIDA MUKOVISSIDOZ BO‘LGAN BOLALARDA YALLIG’LANISH MARKYORLARI VA D VITAMINI DARAJASINING O‘ZGARISHI. IJSP 2025, 4 (2), 917-920. https://doi.org/10.56121/2181-2926-2025-4-2-917-920.