Parsons D S, Lockett J S, Martin T W
Department of Otolaryngology-Head and Neck Surgery and Anesthesia, Wilford Hall United States Air Force Medical Center, Lackland Air Force Base, TX 78236-5300.
Am J Otolaryngol. 1992 Sep-Oct;13(5):271-83. doi: 10.1016/0196-0709(92)90048-x.