Moreano E H, Zich D K, Goree J C, Graham S M
Department of Otolaryngology--Head and Neck Surgery, University of Iowa Hospitals and Clinics, and the University of Iowa College of Medicine, Iowa City, USA.
Am J Otolaryngol. 1998 Mar-Apr;19(2):124-6. doi: 10.1016/s0196-0709(98)90108-9.