The case of the disappearing bladder.
D000368:Aged; D001466:Barium Sulfate / Q000009:adverse effects*; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary; D003287:Contrast Media / Q000009:adverse effects*; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D001743:Urinary Bladder / Q000000981:diagnostic imaging*
D003287:Contrast Media; D001466:Barium Sulfate