Article info
PDFGeneral practice / Family practice
Protocol
OPAL: a randomised, placebo-controlled trial of opioid analgesia for the reduction of pain severity in people with acute spinal pain. Trial protocol
- Correspondence to Dr Chung-Wei Christine Lin; clin{at}georgeinstitute.org.au
Citation
OPAL: a randomised, placebo-controlled trial of opioid analgesia for the reduction of pain severity in people with acute spinal pain. Trial protocol
Publication history
- Received January 29, 2016
- Revised June 15, 2016
- Accepted July 5, 2016
- First published August 24, 2016.
Online issue publication
October 26, 2017
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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/ This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/