Botting AM, McIntosh D, Mahadevan M (March 2008). "Paediatric pre- and post-septal peri-orbital infections are different diseases. A retrospective review of 262 cases". International Journal of Pediatric Otorhinolaryngology. 72 (3): 377–383. doi:10.1016/j.ijporl.2007.11.013. PMID18191234.
Donahue SP, Schwartz G (October 1998). "Preseptal and orbital cellulitis in childhood. A changing microbiologic spectrum". Ophthalmology. 105 (10): 1902–5, discussion 1905–6. doi:10.1016/S0161-6420(98)91038-7. PMID9787362.
Botting AM, McIntosh D, Mahadevan M (March 2008). "Paediatric pre- and post-septal peri-orbital infections are different diseases. A retrospective review of 262 cases". International Journal of Pediatric Otorhinolaryngology. 72 (3): 377–383. doi:10.1016/j.ijporl.2007.11.013. PMID18191234.
Donahue SP, Schwartz G (October 1998). "Preseptal and orbital cellulitis in childhood. A changing microbiologic spectrum". Ophthalmology. 105 (10): 1902–5, discussion 1905–6. doi:10.1016/S0161-6420(98)91038-7. PMID9787362.