title: Sonomanometric investigation of the eustachian tube function and tympanoplasty.
mesh_terms: D001299:Audiometry; D005064:Eustachian Tube / Q000502:physiology*; D005069:Evaluation Studies as Topic; D005188:False Negative Reactions; D006801:Humans; D008365:Manometry / Q000295:instrumentation; D008722:Methods; D013016:Sound; D014433:Tympanoplasty