“KASALXONADAN TASHQARI PNEVMONIYASI BО‘LGAN ERTA YOSHLI BOLALARDA VITAMIN D NI BAHOLASH”. Modern education and development 10, no. 1 (September 12, 2024): 141–149. Accessed November 5, 2024. https://modernedu-dv.com/index.php/dv/article/view/423.