Jonatan A, Setyoningrum RA. Serum Vitamin D levels in pediatric patients and its association with COVID-19 clinical manifestation: A meta-analysis and systematic review. GSC Biol. Pharm. Sci. [Internet]. 2021Nov.30 [cited 2024Nov.22];17(2):076-85. Available from: https://gsconlinepress.com/journals/index.php/gscbps/article/view/gscbps-2021-0328