Ear, nose, and throat disorders sourcebook : basic information about disorders of the ears, nose, sinus cavities, pharynx, and larynx including ear infections, tinnitus, vestibular disorders, allergic and non-allergic rhinitis, sore throats, tonsillitis, and cancers that affect the ears, nose, sinuses, and throat along with reports on current research initiatives, a glossary of related medical terms, and a directory of sources for further help and information /