Secondhand smoke (SHS) exposure before and after the implementation of the Tobacco Free Cities (TFC) initiative in five Chinese cities: a pooled cross-sectional study
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DOI: 10.1136/bmjopen-2020-044570
Abstract: Objectives To assess the levels of secondhand smoke (SHS) exposure before and after the implementation of the Tobacco Free Cities (TFC) initiative. Design City-wide representative, cross-sectional surveys (Tobacco Questions for Surveys, TQS) were conducted in… read more here.
Keywords: shs exposure; chinese cities; exposure; tfc initiative ... See more keywords