1. Button battery as a foreign body in nasal cavities: special aspects;Gomes;Rhinology,1994
2. Miniature battery foreign bodies in auditory and nasal cavities;Kavanagh;JAMA,1986
3. Vaginal burn injury due to alkaline batteries;Huppert;J Paediatr Adolesc Gynecol,2009
4. National Capital Poison Center. Nonfatal button battery ingestions with severe esophageal or airway injury: 125 cases. http://www.poison.org/battery/severecases.
5. Esophageal electrochemical burns due to button type lithium batteries in dogs;Tanaka;Vet Hum Toxicol,1998