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Veterans walk to beat back pain: study rationale, design and protocol of a randomized trial of a pedometer-based Internet mediated intervention for patients with chronic low back pain

Sarah L Krein*, Tabitha Metreger, Reema Kadri, Maria Hughes, Eve A Kerr, John D Piette, Hyungjin Myra Kim and Caroline R Richardson

BMC Musculoskeletal Disorders 2010, 11:205  doi:10.1186/1471-2474-11-205