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. 2021 Jan 23;23(7):1153–1159. doi: 10.1093/ntr/ntab013

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© The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Daily puffing compensation score (puff number × mean puff duration; PCS) across days (1–5) under fixed and adjustable power settings. Bars represent the 95% confidence interval.