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. 2018 Jan 19;97(3):e9575. doi: 10.1097/MD.0000000000009575

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Copyright © 2018 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the terms of the Creative Commons Attribution-Noncommercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0

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Table 2.

Characteristics of the single-arms studies according to VAS relief^[14–25].

3.3.