References
- Fradin MS. Insect repellents 1999. Presented at a meeting of the American Society of Tropical Medicine and Hygiene: Symposium on Insect Repellents, Dec 1999, Washington, DC. Available at: http://www.deet.com/astmh/fradinslides/fradinpage.htm. Accessed Apr 27, 2001
- Centers for Disease Control and Prevention. Varicella-zoster virus. Available at: http://www.cdc.gov/ncidod/srp/varicella.htm. Accessed Apr 27, 2001