Scientist and citizen.
D004781:Environmental Exposure; D004782:Environmental Health; D004787:Environmental Pollution; D004992:Ethics, Medical; D006801:Humans; D007255:Information Services; D009686:Nuclear Physics; D009938:Organizations; D011634:Public Health; D011641:Public Relations; D011847:Radioactive Fallout; D012106:Research
D011847:Radioactive Fallout