1. "Rubella Outbreak Hits Hispanic Immigrant Communities" New York Times; v147 (Thu Feb, 5 1998); B6(L) Col 1 12 Col in.
2. Texas Department of Health. Available at
http://160.42.224.30/immunize/rub_updt.htm
3. Rubella Fact Sheet. Available at http://www.cha.state.md.us/edcp/factsheets/rublla_facts.html