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Published in 2021 at "Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]"
DOI: 10.3760/cma.j.cn112150-20210209-00144
Abstract: This study was conducted between November to December 2020, consisting of six representative cities, Beijing, Shanghai, Shenzhen (with comprehensive smoke-free legislation), and Changsha, Chongqing, Shenyang (without comprehensive smoke-free legislation), 678 subjects were enrolled eventually, the…
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Keywords:
cotinine hydroxynicotinine;
comprehensive smoke;
smoke free;
free legislation ... See more keywords