A new intellectual atmosphere.
Alexander
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D000059:Accidents; D001417:Background Radiation; D006283:Health Physics; D006801:Humans; D009381:Neoplasms, Radiation-Induced / Q000401:mortality; D009688:Nuclear Reactors; D010414:Pennsylvania; D011829:Radiation Dosage; D011832:Radiation Injuries / Q000401:mortality; D012307:Risk Factors; D012449:Safety; D014455:Ukraine