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. 2021 Aug 11;11:617295. doi: 10.3389/fonc.2021.617295

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Copyright © 2021 Han, Huang, Meng, Yin and Song

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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Forest plot for changes from baseline in the oral morphine equivalent dose (OMEDD) at each evaluation point after treatment of patients with bone metastases. (A) At 2 weeks. (B) At 1 month. (C) At 3 months.