Thanka, Anupama, Gopika Sekhar, Mili Thomas, and KE Elizabeth. “Vitamin D Deficiency Among Children Aged 1-5 Years With Severe Pneumonia in Comparison to Healthy Controls”. Kerala Medical Journal 16, no. 1 (December 30, 2023): 37-40. Accessed December 21, 2024. https://www.keralamedicaljournal.com/index.php/KMJ/article/view/618.