title: [Proceedings: Contrast-presentation of the Eustachian tube using the x-ray-subtraction method].
mesh_terms: D005064:Eustachian Tube / Q000000981:diagnostic imaging*; D006311:Hearing Disorders / Q000175:diagnosis; D006801:Humans; D007483:Iothalamic Acid; D008722:Methods; D011859:Radiography; D013382:Subtraction Technique
chemical_list: D007483:Iothalamic Acid
vernacular_title: Kontrast-darstellung der Tuba Eustachii mit Hilfe des Röntgensubtraktionsver-fahrens.