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. 2020 Nov 9;23(7):1123–1132. doi: 10.1093/ntr/ntaa226

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© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco. All rights reserved.For permissions, please e-mail: journals.permissions@oup.com.

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Figure 3. — Mean nicotine purchased (estimated marginal means; error bars indicate SEM) from alternate products in the various regulatory environments stratified by cigarette nicotine level. Combined Marketplace (UB ↑) indicates usual-brand cigarette price manipulated (investigational cigarette price fixed). Combined Marketplace (IC ↑) indicates investigational cigarette price manipulated (usual-brand cigarette price fixed). Statistical significance: *p < .05, **p < .01, ***p < .001, ****p < .0001.