1. Rumore MM. Vitamin A as an immunomodulating agent. Clin Pharm 1993;12:506-14 [review].
2. West CE. Vitamin A and measles. Nutr Rev 2000;58:S46-S54.
3. Glasziou PP, Mackerras DE. Vitamin A supplementation in infectious diseases: a meta-analysis. BMJ 1993;306:366-70.
4. Markowitz LE, Nzilambi N, Driskell WJ, et al. Vitamin A levels and mortality among hospitalized measles patients, Kinshasa, Zaire. J Trop Pediatr 1989;35:109-12.
5. Arrieta AC, Zaleska M, Stutman HR, Marks MI. Vitamin A levels in children with measles in Long Beach, California. J Pediatr 1992;121:75-8.
6. Butler JC, Havens PL, Sowell AL, et al. Measles severity and serum retinol (vitamin A) concentration among children in the United States. Pediatrics 1993;91:1176-81.
7. Frieden TR, Sowell AL, Henning KJ, et al. Vitamin A levels and severity of measles. New York City. Am J Dis Child 1992;146:182-6.
8. Fawzi WW, Chalmers TC, Herrera MG, Mosteller F. Vitamin A supplementation and child mortality. A meta-analysis. JAMA 1993;269:898-903.
9. Barclay AJ, Foster A, Sommer A. Vitamin A supplements and mortality related to measles: a randomised clinical trial. BMJ 1987;294:294-6.
10. Hussey GD, Klein M. A randomized, controlled trial of vitamin A in children with severe measles. N Engl J Med 1990;323:160-4.
11. Kawasaki Y, Hosoya M, Katayose M, Suzuki H. The efficacy of oral vitamin A supplementation for measles and respiratory syncytial virus (RSV) infection. Kansenshogaku Zasshi 1999;73:104-9 [in Japanese].
12. Ellison JB. Intensive vitamin A therapy in measles. BMJ 1932;2:708-11.
13. Lin YM, Flavin MT, Schure R, et al. Antiviral activities of bioflavonoids. Planta Med 1999;65:120-5.
14. Boyle W, Saine A. Lectures in naturopathic hydrotherapy. East Palestine, Ohio: Buckeye Naturopathic Press, 1988.
15. Lust, J. The Herb Book. New York: Bantam Books, 1974.
16. Pigatto P, Bigardi A, Caputo R, et al. An evaluation of the allergic contact dermatitis potential of colloidal grain suspensions. Am J Contact Dermat 1997;8:207-9.