The journal of pain : official journal of the American Pain Society
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Retraction Of Publication
Size does matter, but it isn't everything: the challenge of modest treatment effects in chronic pain clinical trials.
Available online This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.