{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.fhir.r4.examples, name: ResearchStudyPhase, type: null, package_version: 4.0.1, class: unknown, kind: null, url: 'http://hl7.org/fhir/ValueSet/research-study-phase', version: 4.0.1}