title: Double contrast barium cystography.
mesh_terms: D000368:Aged; D001464:Barium; D003287:Contrast Media; D004240:Diverticulum / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D011859:Radiography; D001745:Urinary Bladder Diseases / Q000000981:diagnostic imaging*
chemical_list: D003287:Contrast Media; D001464:Barium