Implementing stratified care for acute low back pain in primary care using the STarT Back instrument: a process evaluation within the context of a large pragmatic cluster randomized trial.
Addie MiddletonG Kelley FitzgeraldAnthony DelittoRobert B SaperKatherine Gergen BarnettJoel StevansPublished in: BMC musculoskeletal disorders (2020)
Trial registration: ClinicalTrials.gov ( NCT02647658 ). Registered January 6, 2016.
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