{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "Studies of FDA-approved drugs to delineate additional information including the drug's risks, benefits, and optimal use.",
  "system" : "http://hl7.org/fhir/research-study-phase",
  "property" : [ ],
  "codesystem" : "d6704375-60aa-5ffa-9f76-e9f32ed02ba5",
  "concept_id" : "9483d434-04b3-5f5f-a989-e4d4c958af2f",
  "ancestors" : {
    "phase-4" : 0
  },
  "id" : "d8929e76-5ce1-4765-b2fa-fd66ca62cd46",
  "code" : "phase-4",
  "display" : "Phase 4",
  "version" : "5.0.0"
}