ZaryabAhmed, Syed, Anila Jaleel, Kamran Hameed, and Shehzad ShoukatNayani. 2024. “Association of Vitamin D Levels and Other Risk Factors With Asthma Exacerbations in Children”. Pakistan Journal of Medicine and Dentistry 9 (4):14-20. https://doi.org/10.36283/PJMD9-4/004.