1. WHO Vitamin A deficiency and xerophthalmia, Report of a joint WHO/USAID meeting. WHO Technical Report Series 1976 590
2. Increased mortality in children with mild vitamin A deficiency;Sommer;Lancet,1983
3. Vitamin A status of children in Sri Lanka;Brink;Am J Clin Nutr,1979
4. Nutrient stores in human foetal livers;Iyenager;Br J Nutr,1972
5. Perera WDA Jayasekera PM Thaha SZ. Food composition tables for use in Sri Lanka, World Health Foundation of Sri Lanka, 1979