Zubairu, A., Oladigbolu, K., Abdullahi, H., Peter, E., Abdulsalam, H., & Suleiman, H. (2025). Serum Vitamin A Levels and Xerophthalmia among Children with Protein Energy Malnutrition in Zaria, Northwest Nigeria. Nigerian Medical Journal, 66(3), 983–989. https://doi.org/10.71480/nmj.v66i3.756