The dose to the trachea and bronchi from the decay products of radon and thoron.
D001980:Bronchi; D011883:Radium; D011886:Radon; D013910:Thorium; D014132:Trachea
D013910:Thorium; D011886:Radon; D011883:Radium
BRONCHI; RADIUM; THORIUM; TRACHEA