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. Author manuscript; available in PMC: 2021 Mar 15.
Published in final edited form as: Sci Total Environ. 2020 Nov 1;760:143423. doi: 10.1016/j.scitotenv.2020.143423

Fig. 3.

Fig. 3.

Relationships between hourly averaged PNC and PM2.5 and vaping density (puffs/h/100 m3) when the shop door was closed for vape shops A–F and I with particle samplings.