1. Retropharyngeal abscess: a clinical review;Goldenberg;J. Laryngol. Otol.,1997
2. Retropharyngeal abscess;Chu;Hong Kong J. Emerg. Med.,2002
3. J.L. Acevedo, R.K. Shah, http://emedicine.medscape.com/article/995851-overview. March 16 2009.
4. Life-threatening deep fascial space infections of head and neck;Blomquist;Infect Dis. Clin. N. Am.,1966
5. The lateral soft tissue neck X-ray in accident and emergency medicine;Herdman;Arch. Emerg. Med.,1991