title: A useful sign in the diagnosis of bladder tumours on intravenous urograms.
mesh_terms: D000273:Adipose Tissue; D002295:Carcinoma, Transitional Cell / Q000000981:diagnostic imaging; D003287:Contrast Media; D003558:Cystoscopy; D003951:Diagnostic Errors; D005740:Gases; D006801:Humans; D008722:Methods; D011312:Pressure; D001743:Urinary Bladder / Q000000981:diagnostic imaging / Q000378:metabolism; D001749:Urinary Bladder Neoplasms / Q000000981:diagnostic imaging*; D014567:Urography
chemical_list: D003287:Contrast Media; D005740:Gases