{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Includes trials conducted after preliminary evidence suggesting effectiveness of the drug has been obtained, and are intended to gather additional information to evaluate the overall benefit-risk relationship of the drug.",
  "system" : "http://terminology.hl7.org/CodeSystem/research-study-phase",
  "property" : [ ],
  "codesystem" : "67f99b2b-6cde-5256-b6e8-0d3be10821c9",
  "concept_id" : "9e12bc35-794b-5cf8-9c5a-5d0716e004c1",
  "ancestors" : {
    "phase-3" : 0
  },
  "id" : "ed3116b9-d856-4f5a-ad59-336ee364551f",
  "code" : "phase-3",
  "display" : "Phase 3",
  "version" : "4.0.1"
}