This letter is regarding the recent article “Studies of the mortality of atomic bomb survivors, report 14, 1950–2003: an overview of cancer and noncancer diseases” (Radiat. Res., 177, 229–243, 2012) (1). In the article, the cancer mortality data of the atomic bomb survivors was fitted to an excess relative risk (ERR) model using linear and linear-quadratic dose-dependences for the ERR. Their conclusion after a formal dose threshold analysis was that there was no threshold for excess cancer risk.
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Doss et al. (2012) studied this question.
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