IONIZING RADIATION AS AN INDUSTRIAL HEALTH PROBLEM.
D002170:Canada; D005060:Europe; D006801:Humans; D008297:Male; D009678:Nuclear Energy; D016272:Occupational Health; D009787:Occupational Medicine; D009864:Ontario; D011835:Radiation Protection; D011839:Radiation, Ionizing; D011851:Radioactivity; D011883:Radium; D014501:Uranium; D014965:X-Rays
D014501:Uranium; D011883:Radium
CANADA; INDUSTRIAL MEDICINE; RADIATION PROTECTION; RADIOACTIVITY; RADIUM; URANIUM