title: Powdered tantalum: its use as a roentgenographic contrast material.
mesh_terms: D000818:Animals; D001344:Autopsy; D001980:Bronchi / Q000294:innervation; D001984:Bronchial Neoplasms / Q000000981:diagnostic imaging; D001995:Bronchography; D002283:Carcinoma, Bronchogenic / Q000000981:diagnostic imaging; D002415:Cats; D003287:Contrast Media; D003371:Cough / Q000503:physiopathology; D004285:Dogs; D006801:Humans; D007818:Laryngeal Diseases / Q000000981:diagnostic imaging; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D008722:Methods; D009092:Mucous Membrane / Q000502:physiology; D011208:Powders; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging; D013635:Tantalum; D014135:Tracheal Stenosis / Q000000981:diagnostic imaging
chemical_list: D003287:Contrast Media; D011208:Powders; D013635:Tantalum