Radioactive chromium 51 gamma ray sources.
D002857:Chromium; D002860:Chromium Radioisotopes; D005720:Gamma Rays; D006801:Humans; D011851:Radioactivity; D011868:Radioisotopes
D002860:Chromium Radioisotopes; D011868:Radioisotopes; D002857:Chromium
CHROMIUM/radioactive