Hurley, Deirdre A Supervised walking in comparison with fitness training for chronic back pain in physiotherapy: results of the SWIFT single-blinded randomized controlled trial (ISRCTN17592092). [electronic resource] - Pain Jan 2015 - 131-147 p. digital Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1872-6623 Standard No.: 10.1016/j.pain.0000000000000013 doi Subjects--Topical Terms: AdultBack Pain--diagnosisChronic Pain--diagnosisExercise Movement Techniques--methodsExercise Therapy--methodsFemaleFollow-Up StudiesHumansMaleMiddle AgedPain Measurement--methodsPhysical Therapy Modalities--standardsProspective StudiesSingle-Blind MethodTreatment OutcomeWalking--standards