Elevated cancer mortality in a German cohort of bitumen workers: extended follow-up through 2004.

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@article{Behrens2009ElevatedCM, title={Elevated cancer mortality in a German cohort of bitumen workers: extended follow-up through 2004.}, author={Thomas Behrens and Walter Schill and Wolfgang Ahrens}, journal={Journal of occupational and environmental hygiene}, year={2009}, volume={6 9}, pages={555-61} }