Summary What is already known on this topic?The average secondhand smoke exposure rate was 68.1%in China in 2018.The World Health Organization suggests that legislation must be used to achieve a 100%smoke-free environ...Summary What is already known on this topic?The average secondhand smoke exposure rate was 68.1%in China in 2018.The World Health Organization suggests that legislation must be used to achieve a 100%smoke-free environment and protect nonsmokers from secondhand smoke.What is added by this report?展开更多
文摘Summary What is already known on this topic?The average secondhand smoke exposure rate was 68.1%in China in 2018.The World Health Organization suggests that legislation must be used to achieve a 100%smoke-free environment and protect nonsmokers from secondhand smoke.What is added by this report?
