{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "Trials that are a combination of phases 1 and 2.",
  "system" : "http://terminology.hl7.org/CodeSystem/research-study-phase",
  "property" : [ ],
  "codesystem" : "4451bcb0-32a1-508a-ac6d-781e0ad07aa5",
  "concept_id" : "fa2a806a-6e4e-5c2f-ba42-774b71c5be8b",
  "ancestors" : {
    "phase-1-phase-2" : 0
  },
  "id" : "2a8844ad-497e-499b-a799-1beb939a74bc",
  "code" : "phase-1-phase-2",
  "display" : "Phase 1/Phase 2",
  "version" : "1.0.0"
}