Güllük, İbrahim. “Vitamin D Levels And Affecting Factors In Healthy Children Between 2 – 12 Years Of Age: Research Article”. Acta Medica Ruha 2, no. 1 (March 18, 2024): 6–13. Accessed November 23, 2024. https://actamedicaruha.com/index.php/pub/article/view/80.