Complications of acute and chronic sinus disease - Rodgers, Grayson K. (Alexandria, VA : AAO-HNSF, 1990)
A self-instructional package from the Committee on Continuing Education in Otolaryngology, American Academy of Otolaryngology-Head and Neck Surgery Foundation,Inc.
References : p. 59-60
Keywords: Paranasal Sinus Diseases -- complications