School teachers' vocal use, risk factors, and voice disorder prevalence: guidelines to detect teachers with current voice problems.
Bermúdez de Alvear
Rosa M
RM
Department of Radiology and Physical Medicine, Ophthalmology and Otorhinolaryngology, Malaga University, Spain. bermudez@uma.es
Barón
Francisco Javier
FJ
Martínez-Arquero
Antonio Ginés
AG