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. 2022 Jan 19;12:741871. doi: 10.3389/fphar.2021.741871

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Copyright © 2022 Zhang, Luo, Sun, Zhang, Ma, Lin, Yang, Tan, Fu, Zhong and Wang.

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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Flow diagram of study selection of clinical trials. Clinial records on Danshen products for inflammatory bowel disease (IBD) were screened through the steps of identification, exclusion, eligibility, and evaluation.