TY - BOOK CN - HE 20.7918: CN - RA1247.R33 CY - [Atlanta, Ga.?] : DA - [1990] ID - 184623 KW - Radon KW - Environmental Exposure KW - Radon N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 92-1401-M. N1 - "December 1990." PB - U.S. Dept. of Health & Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry, PP - [Atlanta, Ga.?] : PY - [1990] T1 - Toxicological profile for radon TI - Toxicological profile for radon VL - 90-23 ER -