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. 2023 Nov 30;16(12):1665. doi: 10.3390/ph16121665

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Effective size, confidential interval, and forest plot of two studies associating long-term nicotine exposure with pain score outcomes after sensitivity analysis [22,23].