Becker D O, Cunning D M
Dept of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, 7 Silverstein, 3400 Spruce St, Philadelphia, PA 19104.
Arch Otolaryngol Head Neck Surg. 2000 Oct;126(10):1274-6. doi: 10.1001/archotol.126.10.1274.