title: [Ways of preservation or creation of the tympanic cavity in operations intended for improvement of hearing].
mesh_terms: D006311:Hearing Disorders / Q000601:surgery*; D008722:Methods; D011138:Polytetrafluoroethylene; D019736:Prostheses and Implants; D014432:Tympanic Membrane / Q000601:surgery; D014433:Tympanoplasty
chemical_list: D011138:Polytetrafluoroethylene
vernacular_title: Puti sokhaneniia ili sozdaniia barabannoi polosti pri slukhuluchshaiushchikh operatsiiakh.