Mortality (1950-1999) and cancer incidence (1969-1999) of workers in the Port Hope cohort study exposed to a unique combination of radium, uranium and γ-ray doses.

(All cumulative exposures were lagged by 5 years.) Both lung cancer mortality and incidence tended to increase with RDP exposure, but linear trend tests did not reach statistical significance (p=0.56 and 0.21, mortality and incidence, respectively, table 4 ).

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