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. 2022 Mar 1;13:764854. doi: 10.3389/fphar.2022.764854

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Copyright © 2022 Zhou, Zhang, Sun, Li, Ding, Zhu, Li and Fan.

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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Meta-analysis of overall pooled HRs with 95% CIs across studies for secondary outcomes. Forest plot showing the significance of the relationship between aspirin use and mortality of HCC according to the fixed-effects model.