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 KoppenaalRemco M ArensmanJohanna M van DongenRaymond W J G OsteloCindy VeenhofCorelien J J KloekMartijn F PistersPublished in: BMC musculoskeletal disorders (2020)
ISRCTN, ISRCTN94074203. Registered 20 July 2018 - Retrospectively registered.