Effectiveness and cost-effectiveness of stratified blended physiotherapy in patients with non- specific low back pain: study protocol of a cluster randomized controlled trial Tjarco Koppenaal Remco M. Arensman Johanna M. van Dongen Raymond W.J.G. Ostelo Cindy Veenhof Corelien J.J. Kloek Martijn F. Pisters Published in BMC Musculoskeletal Disorders 2020;21(1):265
RkJQdWJsaXNoZXIy MTk4NDMw