Evaluation of Eustachian tube function.
D000158:Acoustic Impedance Tests; D000399:Air Pressure; D003679:Deglutition; D004427:Ear Diseases / Q000503:physiopathology; D005064:Eustachian Tube / Q000502:physiology* / Q000503:physiopathology; D006801:Humans; D009093:Mucus; D013016:Sound