Hill Courtney A, Gallagher Thomas Q, Maturo Stephen, Sadow Peter M, Curtin Hugh D, Hartnick Christopher J
Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, USA.
Arch Otolaryngol Head Neck Surg. 2012 Jan;138(1):87-9. doi: 10.1001/archoto.2011.224-a.