Increasing use of isotopes in medicine and industry; replacing x-rays and radium.
D007221:Industry; D007554:Isotopes; D011851:Radioactivity; D011868:Radioisotopes; D011883:Radium; D014965:X-Rays
D007554:Isotopes; D011868:Radioisotopes; D011883:Radium
ISOTOPES, RADIOACTIVE