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Pain Research and Management
Volume 17, Issue 4, Pages 281-290
http://dx.doi.org/10.1155/2012/635967
Original Article

The Pain and Sleep Questionnaire Three-Item Index (PSQ-3): A Reliable and Valid Measure of The Impact of Pain on Sleep in Chronic Nonmalignant Pain of Various Etiologies

Lindsay E Ayearst,1 Zoltan Harsanyi,2 and Kenneth J Michalko2

1University of Toronto Scarborough, Scarborough, Canada
2Purdue Pharma, Pickering, Ontario, Canada

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to Cite this Article

Lindsay E Ayearst, Zoltan Harsanyi, and Kenneth J Michalko, “The Pain and Sleep Questionnaire Three-Item Index (PSQ-3): A Reliable and Valid Measure of The Impact of Pain on Sleep in Chronic Nonmalignant Pain of Various Etiologies,” Pain Research and Management, vol. 17, no. 4, pp. 281-290, 2012. https://doi.org/10.1155/2012/635967.