A walking programme and a supervised exercise class versus usual physiotherapy for chronic low back pain: a single-blinded randomised controlled trial. (The Supervised Walking In comparison to Fitness Training for Back Pain (SWIFT) Trial)

步行计划和监督下的运动课程与常规物理疗法治疗慢性腰痛的疗效比较：一项单盲随机对照试验。（监督步行与健身训练治疗腰痛的比较（SWIFT）试验）