{description: Codes for the stage in the progression of a therapy from initial experimental use in humans in clinical trials to post-market evaluation., package_name: hl7.terminology.r4, name: ResearchStudyPhase, type: null, package_version: 7.0.1, class: unknown, kind: null, url: 'http://terminology.hl7.org/ValueSet/research-study-phase', version: 1.0.0}