title: Evaluation of Eustachian tube function by tantalum powder.
mesh_terms: D000818:Animals; D004285:Dogs; D004427:Ear Diseases / Q000000981:diagnostic imaging / Q000503:physiopathology*; D005064:Eustachian Tube / Q000000981:diagnostic imaging / Q000503:physiopathology*; D011208:Powders; D011859:Radiography; D013635:Tantalum; D014432:Tympanic Membrane / Q000000981:diagnostic imaging / Q000503:physiopathology
chemical_list: D011208:Powders; D013635:Tantalum