{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "A study design feature in which the study intent is to compare two or more interventions with respect to effectiveness in ideal conditions.",
  "system" : "http://hl7.org/fhir/study-design",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "SEVCO:01091"
  } ],
  "codesystem" : "bb32c5f8-166a-5db4-919c-9554be080f5c",
  "concept_id" : "05c29da9-8249-59d3-bc3a-6be7833540c7",
  "ancestors" : {
    "SEVCO:01088" : 2,
    "SEVCO:01089" : 3,
    "SEVCO:01090" : 0,
    "SEVCO:01091" : 1
  },
  "id" : "95139a14-b745-4066-96ef-a8c589b2e76f",
  "code" : "SEVCO:01090",
  "display" : "Comparative Efficacy Goal",
  "version" : "5.0.0"
}