title: Letter: Safety of 169Yb-DTPA in cisternography.
mesh_terms: D001921:Brain / Q000378:metabolism; D001927:Brain Diseases / Q000175:diagnosis*; D002946:Cisterna Magna; D006801:Humans; D004369:Pentetic Acid / Q000378:metabolism; D011829:Radiation Dosage; D011868:Radioisotopes; D011877:Radionuclide Imaging; D015018:Ytterbium
chemical_list: D011868:Radioisotopes; D004369:Pentetic Acid; D015018:Ytterbium