1. Increased risk of respiratory disease and diarrhea in children with pre existing mild vitamin A deficiency;Sommer;Am J Clin Nutr,1984
2. Mild vitamin A deficiency and risk of respiratory tract diseases and diarrhea in preschool and school children in Northeastern Thailand;Bloem;Am J Epidemiol,1990
3. Malnutrition and the eye;McLaren,1963
4. Assignment children - Vitamin A deficiency and xeropthalmia;Eastman,1988
5. Assignment children - Vitamin A deficiency and xeropthalmia;Eastman,1988