Karghar, R., E. Sadeghi, and A. Nasimfar. “Evaluation of Relation Between Vitamin D Serum Level and Community Acquired Pneumonia in Children Between 1 to 60 Months”. Afghanistan Journal of Infectious Diseases, vol. 2, no. 1, Jan. 2024, pp. 33-40, doi:10.60141/AJID/V.2.I.1.5.