1. Wald ER. In: Bluestone CD, Stool SE, editors. Rhinitis and acute and chronic sinusitis. 2nd ed. Philadelphia: WB Saunders; 1990. p. 729–44.
2. Ritter FN. The paranasal sinuses: anatomy and surgical technique. St. Louis, MO: Mosby; 1973.
3. Wilson JL, Dreshler DG, Kaplan MJ, Pillsbury HC. Complications of cranial base surgery. In: Weissler MC, Pillsbury HC, editors. Complications of head and neck surgery. New York: Thieme Medical; 1995. p. 336–51.
4. Wald ER, Applegate KE, Bordley C, Darrow DH, Glode MP, Marcy SM, Nelson CE, Rosenfeld RM, Shaikh N, Smith MJ, Williams PV, Weinberg ST. Clinical practice guideline for the diagnosis and management of acute bacterial sinusitis in children aged 1 to 18 years. Pediatrics. 2013;132(1):e262–80.
5. Chandler JR, Langenbrunner DJ, Stevens ER. The pathogenesis of orbital complications in acute sinusitis. Laryngoscope. 1970;80:1414–28.