title: [A device for determining patency of the Eustachian tube].
mesh_terms: D005064:Eustachian Tube / Q000502:physiology*; D006801:Humans; D010036:Otolaryngology / Q000295:instrumentation*; D010038:Otorhinolaryngologic Diseases / Q000175:diagnosis
vernacular_title: Pribor dlia opredeleniia prokhodimosti evstakhienoĭ truby.