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Participatory ergonomic intervention versus strength training on chronic pain and work disability in slaughterhouse workers: study protocol for a single-blind, randomized controlled trial

Emil Sundstrup*, Markus D Jakobsen, Christoffer H Andersen, Kenneth Jay, Roger Persson, Per Aagaard and Lars L Andersen

BMC Musculoskeletal Disorders 2013, 14:67  doi:10.1186/1471-2474-14-67

Pre-publication versions of this article and reviewers' reports

Original Submission - Version 1 Manuscript 11 Dec 2012
Resubmission - Version 2 Author's comment 13 Dec 2012
Editor's comment 18 Feb 2013
Editorial acceptance 18 Feb 2013
Published 21 Feb 2013