1. The use of compound topical anesthetics;Kravitz;J Am Dent Assoc,2007
2. Available at: http://www.drugs.com/fda/benzocaine-topical-products-gels-liquids-risk-methemoglobinemia-12941.html. Accessed March, 2011.
3. Identifying true lidocaine allergy;Jackson;J Am Dent Assoc,1994
4. Available at: http://en.wikipedia.org/wiki/Lidocaine. Accessed April, 2011.
5. The Comprehensive Resource for Physicians, drug and illness information. Available at: http://www.rxmed.com/b.main/b2.pharmaceutical/b2.1.monographs/CPS-%20Monographs/CPS-%20(General%20Monographs-%20P)/POLOCAINE.html. Accessed April, 2011.