Shomuradova Shakhnoza Shavkatovna. “Features Of The Role Of Vitamin D In Recurrent Respiratory Diseases In Children”. Stanford Database Library of American Journal Of Biomedical Science & Pharmaceutical Innovation 5, no. 12 (December 14, 2025): 4–6. Accessed March 30, 2026. https://oscarpubhouse.com/index.php/sdlajbspi/article/view/376.