Low-back pain definitions in occupational studies were categorized for a meta-analysis using Delphi consensus methods.
Griffith LE, Hogg-Johnson S, Cole DC, Krause N, Hayden J, Burdorf A, Leclerc A, Coggon D, Bongers P, Walter SD, Shannon HS; Meta-Analysis of Pain in the Lower Back and Work Exposures (MAPLE) Collaborative Group.
Griffith LE, et al.
J Clin Epidemiol. 2007 Jun;60(6):625-33. doi: 10.1016/j.jclinepi.2006.09.005. Epub 2006 Dec 27.
J Clin Epidemiol. 2007.
PMID: 17493522