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Effectiveness of a cognitive-behavioral group intervention for knee osteoarthritis pain: protocol of a randomized controlled trial

Eeva-Eerika Helminen*, Sanna H Sinikallio, Anna L Valjakka, Rauni H Väisänen-Rouvali and Jari P Arokoski

BMC Musculoskeletal Disorders 2013, 14:46  doi:10.1186/1471-2474-14-46

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