{
  "package" : "hl7.terminology.r4@6.3.0",
  "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" : "4451bcb0-32a1-508a-ac6d-781e0ad07aa5",
  "concept_id" : "9e12bc35-794b-5cf8-9c5a-5d0716e004c1",
  "ancestors" : {
    "phase-3" : 0
  },
  "id" : "cbde0a9c-6f88-45a8-b3ed-680d68fca2db",
  "code" : "phase-3",
  "display" : "Phase 3",
  "version" : "1.0.0"
}