Prof. Dr. Yahya Altufaily, Lubna Mohammad Hussein and Dr. Fadhil Sahib Hassnawi (2021) “Possible Association between Serum Vitamin D Level and Community-Acquired Pneumonia in Children”, International Journal of Pharma and Bio Sciences, 12(4), pp. 47–52. Available at: https://ijpbs.net/index.php/journal/article/view/6950 (Accessed: 2 July 2026).