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. 2020 Sep 18;8:838. doi: 10.3389/fchem.2020.00838

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Copyright © 2020 Liu, Li, Chen, Lin, Lai, Chen and Chen.

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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Schematic illustration of ROS cascade–responsive drug release of PTS-DP for enhanced locoregional chemophotodynamic therapy (Uthaman et al., 2020) (Copyright 2020, reproduced with permission from Elsevier).