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. 2023 Sep 28;14:1279512. doi: 10.3389/fphar.2023.1279512

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Copyright © 2023 Li, Lu, He, Zhang, Zhang, Sheng, Chen, Ru and Gao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Absorption efficiency among different nicotine salts (A) Average concentration of nicotine in Cambridge filter in different groups [n = 3, one-way analysis of variance (ANOVA), F _{[7, 16]} = 7.27, p = 0.0005]. (B) Average concentration of nicotine in blood in different groups (n = 3, one-way ANOVA, F _{[7, 16]} = 28.88, p < 0.0001). (C) Average absorption of nicotine in different groups (n = 3, one-way ANOVA, F _{[6, 14]} = 12.75, p < 0.0001, p < 0.0001). (D) The Kendall rank correlation coefficient between Cambridge filters and blood [p-value Sig.(two-tailed) < 0.05]. *p < 0.05, **p < 0.01, ***p < 0.001. Data are shown as the mean ± standard error of the mean.