Dr. Vadapalli Sri Vaishnavi, Dr Sireesha Patibandla, Satya Ashray Guduru and Dr vijaya lakshmi Ambati 2025. Correlation of Serum 25 Hydroxy Vitamin D and Iron Deficiency Anaemia in Children Attending a South Indian Tertiary Care Hospital: A Cross Sectional Study. International Journal of Pharmacy Research & Technology (IJPRT). 15, 1 (Apr. 2025), 441–445.