5United Nations Scientific Committee on the Effects of Atomic Radiation. UNSCEAR Report 1993[R]. New York:United Nations, 1993.
6Thompson DE, Mabuchi K, Ron E, et al. Cancer incidence in atomic bomb survivors. Part Ⅱ: solid tumors, 1958—1987[J]. Radiat Res, 1994, 137(2):s17-67.
7United Nations Scientific Committee on the Effects of Atomic Radiation. UNSCEAR Report 1994[R]. New York:United Nations, 1994.
8Wang JX, Zhang LA, Li BX, et al. Cancer incidence and risk estimation among medical x-ray workers in China, 1950-1995[J]. Health Phys, 2002,82(4):455-466.
