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. 2021 Mar 30;12:652102. doi: 10.3389/fphar.2021.652102

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Copyright © 2021 Caruso, Distefano, Emma, Di Rosa, Carota, Rust, Polosa, Zuccarello, Ferrante, Raciti and Li Volti.

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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IL6 concentration as a function of puff number of cigarettes 1R6F smoked under HCI (Health Canada Intense) regime. p values were calculated between each puff number vs. AIR control.