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. 2012 Jul 10;11:5. doi: 10.1186/1472-684X-11-5

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Copyright ©2012 Huang et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Faces Pain Scale-Revised. Instructions for patients: “These faces show how much something can hurt. The face on the left shows no pain. The faces show more and more pain proceeding from left to right, up to the face on the right – it shows the most pain. Point to the face that shows how much you hurt right now.” Scored 0-2-4-6-8-10 This figure has been reproduced with permission of the International Association for the Study of Pain® (IASP®). The figure may not be reproduced for any other purpose without permission.