1. Button battery ingestion. A review of 56 cases;Litovitz;JAMA,1983
2. Fatal complication from an alkaline battery foreign body in the esophagus;Blatnik;Ann Otol Rhinol Laryngol,1977
3. Mercury battery ingestion;Reilly;Br Med J,1979
4. Alkaline button battery ingestion and its treatment;Yamashita;Jap Med J,1982
5. Risk from swallowing miniature battery and its countermeasure;Yamashita;J Pediatr Practice,1983