Chandrasekhar, Usha. “Vitamin A Deficiency and Xerophthalmia- Reccent Findings and Some Programme Implications”. The Indian Journal of Nutrition and Dietetics 26, no. 7 (July 1, 1989): 213–213. Accessed May 6, 2024. http://www.informaticsjournals.com/index.php/ijnd/article/view/13704.