ObjectiveTo examine the prevalence of second-hand smoke exposure (SHS) in indoor public places and the satisfaction to tobacco control in residents two years after the implementation of the Tobacco Control Regulation – 2019 in Hangzhou city of Zhejiang province. and to provide references for the promotion of the regulation. MethodsUsing stratified random sampling and a self-designed q... https://pipingrockers.shop/product-category/collections/