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. 2020 Jul 15;30(4):434–442. doi: 10.1136/tobaccocontrol-2020-055663

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© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Hospital admission rates of (A) AMI and (B) stroke before and after enforcement of the Beijing tobacco control policy package from January 2013 to June 2017. The dashed vertical line showed the time when the Beijing tobacco control policy package was implemented. The dots showed the hospital admission rates in each week and the blue lines showed the temporal trends of the rates. AMI, acute myocardial infarction.