Computerized-tomography: isotope sources.
D003037:Cobalt Radioisotopes; D005063:Europium; D005682:Gadolinium; D007495:Iridium; D011868:Radioisotopes; D014057:Tomography, X-Ray Computed / Q000295:instrumentation*; D015018:Ytterbium
D003037:Cobalt Radioisotopes; D011868:Radioisotopes; D007495:Iridium; D005063:Europium; D005682:Gadolinium; D015018:Ytterbium