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. 2019 Mar 15;98(11):e14602. doi: 10.1097/MD.0000000000014602

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Copyright © 2019 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-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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Forest plot of the association between p16 protein expression and prognosis of nasopharynx cancer. A, overall survival; B, Progression-free survival. CI = confidence interval, HR = hazard ratio.