A Retrospective Dosimetry Method for Occupational Dose for Chinese Medical Diagnostic X-Ray Workers

Abstract
In order to provide reasonable and reliable dose information for the cohort study of Chinese medical diagnostic X ray workers, a retrospective dosimetry method was established. Based on the principal character of occupational exposure of the workers, a mathematical model was developed and relative coefficients of the model were determined, and the model was computerised. For dose estimation by this model, a sampling survey of occupational history of the workers was conducted, and a data bank on occupational history was established. Using the data bank and the model, dose analysis was conducted. Some of the main results are reported here.

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