Muhammad Khyani IA, HafeezA, Farooq MU,Endoscopic removal of bullet from orbital apex. J Coll Physicians Surg Pak 2008;18:646-8.Gönül E, Erdoğan E, Taşar M, et al. Penetrating orbitocranial gunshot injuries. Surg Neurol 2005;63:24-30.
Robiony M. Minimally Invasive Surgery: Endoscopic removal of a bullet from the orbital apex. Orbit 2013;32:203-5.
Koo Ng NK, Jaberoo MC, Pulido M, et al. Image guid- ance removal of a foreign body in the orbital apex. Orbit 2009;28:404-7.
Feichtinger M, Zemann W, Kärcher H. Removal of a pellet from the left orbital cavity by image-guided endoscopic navigation. Int J Oral Maxillofac Surg 2007;36:358-61.
Lyson T, Sieskiewicz A, Rogowski M, et al. Transnasal endoscopic removal of intraorbital wooden foreign body. J Neurol Surg A Cent Eur Neurosurg 2013;74 Suppl 1:e100-3.