Medical uses of radiation.
D000398:Air Pollution, Radioactive; D006801:Humans; D011827:Radiation; D011830:Radiation Effects; D011831:Radiation Genetics; D011835:Radiation Protection; D011859:Radiography / Q000009:adverse effects*; D011878:Radiotherapy; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy / Q000009:adverse effects