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Christensen, Robin; Maxwell, Lara J; Jüni, Peter; Tovey, David; Williamson, Paula R; Boers, Maarten; Goel, Niti; Buchbinder, Rachelle; March, Lyn; Terwee, Caroline B; Singh, Jasvinder A; Tugwell, Peter (2015). Consensus on the Need for a Hierarchical List of Patient-reported Pain Outcomes for Metaanalyses of Knee Osteoarthritis Trials: An OMERACT Objective. Journal of rheumatology, 42(10), pp. 1971-1975. Journal of Rheumatology Pub. Co. 10.3899/jrheum.141384
Ghogomu, Elizabeth A. T.; Maxwell, Lara J.; Buchbinder, Rachelle; Rader, Tamara; Pardo Pardo, Jordi; Johnston, Renea V.; Christensen, Robin D. K.; Rutjes, Anne W. S.; Winzenberg, Tania M.; Singh, Jasvinder A.; Zanoli, Gustavo; Wells, George A.; Tugwell, Peter (2014). Updated method guidelines for cochrane musculoskeletal group systematic reviews and metaanalyses. Journal of rheumatology, 41(2), pp. 194-205. Journal of Rheumatology Pub. Co. 10.3899/jrheum.121306
