TY - BOOK CN - RC268.55 CN - RC268.55 CY - Washington, D.C. : DA - 1981. ID - 33279 KW - Radiation carcinogenesis. KW - Ionizing radiation KW - Ionizing radiation KW - Cancer N1 - Cover title. PB - U.S. General Accounting Office, PP - Washington, D.C. : PY - 1981. T1 - Problems in assessing the cancer risks of low-level ionizing radiation exposure :report to the Congress / TI - Problems in assessing the cancer risks of low-level ionizing radiation exposure :report to the Congress / ER -