Montero Elena Hernández, Navarro Jorge Sevil, Pueyo Jaime Leache, Garca Félix De Miguel, Sampériz Luis Carmen, Garca Alberto Ortiz
Otolaryngology Department, Hospital Universitario Miguel Servet, Zaragoza, Spain.
Am J Otolaryngol. 2003 May-Jun;24(3):191-3. doi: 10.1016/s0196-0709(03)00005-x.