{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "A comparative study design in which the groups being compared are defined by outcome presence (case) or absence (control).",
  "system" : "http://hl7.org/fhir/study-design",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "SEVCO:01010"
  } ],
  "codesystem" : "bb32c5f8-166a-5db4-919c-9554be080f5c",
  "concept_id" : "aa64a532-8357-5658-93f1-534961f7254b",
  "ancestors" : {
    "SEVCO:01010" : 1,
    "SEVCO:01013" : 0
  },
  "id" : "a6c088bb-13c9-430a-bdaf-4ef73713c722",
  "code" : "SEVCO:01013",
  "display" : "Case control design",
  "version" : "5.0.0"
}