title: [Problems of the closed and partially closed eustachian tube].
mesh_terms: D002908:Chronic Disease; D004322:Drainage; D004427:Ear Diseases / Q000150:complications / Q000266:history / Q000601:surgery; D005064:Eustachian Tube; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010033:Otitis Media / Q000209:etiology; D010040:Otosclerosis / Q000209:etiology; D000267:Tissue Adhesions / Q000209:etiology; D014432:Tympanic Membrane / Q000601:surgery
vernacular_title: Probleme der nicht oder erschwert durchgängigen Ohrtrompete.