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Blamey R, Jolly K, Greenfield S, Jobanputra P. Patterns of analgesic use, pain and self-efficacy: a cross-sectional study of patients attending a hospital rheumatology clinic. BMC Musculoskeletal Disorders. 2009 Nov 10;10(1):137. doi: 10.1186/1471-2474-10-137. |