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. 2022 Aug 16;13:969149. doi: 10.3389/fendo.2022.969149

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Copyright © 2022 Liau, Lin and Lee

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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Kaplan-Meier curves showing the survival rate among the three groups categorized by the DPNP diagnosis. (DN4, Douleur Neuropathique en 4 questionnaire; DPNP, diabetic peripheral neuropathic pain; ID pain, identification pain questionnaire).