Abstract
Risk of cancer after low doses of ionising radiation: retrospective cohort study in 15 countriesE CardisIARC conducted pooled analysis of the cancer mortality data obtained from cohort studies nuclear workers in 15 countries in order to provide direct estimates of risk of cancer after protracted low doses of ionising radiation and to strengthen the scientific basis of radiation protection standards for environmental, occupational, and medical diagnostic exposures. The major finding of this study will be presented, and the significance of nuclear worker studies in Asia in future will be discussed.