Funk Gerry F
Division of Head and Neck Oncology, Department of Otolaryngology–Head and Neck Surgery, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA 52242, USA.
Arch Otolaryngol Head Neck Surg. 2012 Aug;138(8):748-52. doi: 10.1001/archoto.2012.1404.