[Gamma radiation hazard in the external use of thorium X].
D004787:Environmental Pollution; D005720:Gamma Rays; D006801:Humans; D011832:Radiation Injuries; D011883:Radium; D013910:Thorium / Q000633:toxicity*
C026062:thorium X; D013910:Thorium; D011883:Radium
RADIATION INJURY; THORIUM/toxicology