Asmaa Saeed Bayan, Nahla Abd El-Aziz Nosair, & Abeer Mohamed Salamah. (2023). Assessment of serum vitamin D level in children with type 1 diabetes mellitus: A cross-sectional study. Journal of the Pakistan Medical Association, 73(4), S317-S321. https://doi.org/10.47391/JPMA.EGY-S4-61