Khan, Idrees, et al. “THE USE OF FLUOROSCOPY IN THE REMOVAL OF FOREIGN BODIES FROM MAXILLOFACIAL REGION: Removal of Foreign Bodies from Maxillofacial Region”. Pakistan Armed Forces Medical Journal, vol. 59, no. 4, Dec. 2009, pp. 549-52, https://pafmj.org/PAFMJ/article/view/1946.