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Cigarettes, heated tobacco products and dual use: exhaled carbon monoxide, saliva cotinine and total tobacco consumed by Hong Kong tobacco users
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Authors

  1. Correspondence to Dr Yuying Sun, School of Public Health, The University of Hong Kong, Hong Kong SAR, People's Republic of China; gyysun{at}hku.hk; Dr Sai Yin Ho, School of Public Health, The University of Hong Kong, Hog Kong SAR, People's Republic of China; syho{at}hku.hk
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Citation

Zhang X, Sun Y, Cheung YTD, et al
Cigarettes, heated tobacco products and dual use: exhaled carbon monoxide, saliva cotinine and total tobacco consumed by Hong Kong tobacco users

Publication history

  • Received July 4, 2022
  • Accepted January 11, 2023
  • First published January 24, 2023.
  • Supplementary Data

    This web only file has been produced by the BMJ Publishing Group from an electronic file supplied by the author(s) and has not been edited for content.

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