Pay attention to radiation doses.
Shulman
Stanford T
ST
D000367:Age Factors; D001315:Australia; D002488:Central African Republic; D002648:Child; D004307:Dose-Response Relationship, Radiation; D005602:France; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008296:Malaysia; D010678:Philately; D011829:Radiation Dosage; D011835:Radiation Protection