OMONOVNA, T. N.; AZIZOVNA, K. K. VITAMIN D LEVEL AND ITS RELATIONSHIP WITH CYTOKINE LEVEL IN BRONCHO-OBSTRUCTIVE SYNDROME IN CHILDREN. Research Focus International Scientific Journal, [S. l.], v. 5, n. 5, p. 194–200, 2026. Disponível em: https://refocus.uz/index.php/rf/article/view/2273. Acesso em: 12 jun. 2026.