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Fig. 6 | BMC Public Health

Fig. 6

From: Evaluation of different radon guideline values based on characterization of ecological risk and visualization of lung cancer mortality trends in British Columbia, Canada

Fig. 6

The annual ratio of lung cancer mortality to all natural mortality (the crude lung cancer mortality ratio) within high and low vulnerability areas plotted from 1998–2013 for each predictive map based on eight threshold values. The columns show the threshold values in Bq m−3, which were used to delineate low and high vulnerability. The rows show the trends stratified by sex

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