{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "A clinical trial to gather additional evidence of effectiveness and safety of an intervention for an already approved clinical use.",
  "system" : "http://hl7.org/fhir/study-design",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "SEVCO:01029"
  } ],
  "codesystem" : "bb32c5f8-166a-5db4-919c-9554be080f5c",
  "concept_id" : "a1440ff1-844b-51cc-abc2-3bf6d7fd51a2",
  "ancestors" : {
    "SEVCO:01001" : 2,
    "SEVCO:01029" : 1,
    "SEVCO:01036" : 0
  },
  "id" : "aceeb957-3f9b-4e0e-b851-6b3d9bbe7460",
  "code" : "SEVCO:01036",
  "display" : "Post-marketing study",
  "designation" : [ {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Phase IV trial"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Phase 4 trial"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Phase 4 study"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Trial phase 4"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Post-approval study"
  } ],
  "version" : "5.0.0"
}