The relation of lung dose rate to working level.
D004777:Environment; D004781:Environmental Exposure; D008168:Lung; D008906:Mining; D011874:Radiometry; D011883:Radium; D011886:Radon; D009626:Terminology as Topic; D014501:Uranium
D014501:Uranium; D011886:Radon; D011883:Radium