CD138 ETDQ-7 Medicine Ménière’s disease OSA Stensen’s duct Voice Handicap Index acute acoustic trauma alpha-SMA ameloblastic carcinoma ameloblastoma anemia auditory threshold shifts biofilms case–control studies child chronic nasal obstruction chronic obstructive pulmonary disease cochlea cochlear implant cohort studies dextromethorphan endomeatal approach eustachian tube dysfunction (ETD) fluorescein angiography head and neck hearing loss hyperbaric oxygen therapy multimodal imaging nestin