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Research report
Smoking and urinary cotinine by socioeconomic status in the Heinz Nixdorf Recall Study
- Correspondence to Jan Hovanec, Institute for Prevention and Occupational Medicine of the German Social Accident, Insurance, Institute of the Ruhr University Bochum (IPA), Bochum D-44789, Germany; hovanec{at}ipa-dguv.de
Citation
Smoking and urinary cotinine by socioeconomic status in the Heinz Nixdorf Recall Study
Publication history
- Received November 30, 2018
- Revised February 8, 2019
- Accepted February 10, 2019
- First published February 25, 2019.
Online issue publication
May 09, 2019
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- Previous version (9 May 2019).
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© Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.