Occupational health and radiation hazards.
D006801:Humans; D007259:Infrared Rays; D007834:Lasers; D008027:Light; D008872:Microwaves; D009381:Neoplasms, Radiation-Induced; D009787:Occupational Medicine; D011832:Radiation Injuries / Q000517:prevention & control*; D011835:Radiation Protection; D014586:USSR; D014466:Ultraviolet Rays; D014481:United States