title: Bullar pressure changes in eustachian tube dysfunction.
mesh_terms: D000818:Animals; D002415:Cats; D004432:Ear, Middle / Q000503:physiopathology*; D005064:Eustachian Tube; D008026:Ligation; D008365:Manometry; D010038:Otorhinolaryngologic Diseases / Q000503:physiopathology*; D011312:Pressure; D013997:Time Factors