{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "An interventional study design in which an independent variable (an exposure or intervention) is prospectively assigned or modified by random chance to separate groups.",
  "system" : "http://hl7.org/fhir/study-design",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "SEVCO:01009"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "SEVCO:01008"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "SEVCO:01007"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "SEVCO:01006"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "SEVCO:01001"
  } ],
  "codesystem" : "bb32c5f8-166a-5db4-919c-9554be080f5c",
  "concept_id" : "6c772439-0446-5a57-b92e-3b988596467a",
  "ancestors" : {
    "SEVCO:01001" : 1,
    "SEVCO:01003" : 0
  },
  "id" : "39e9e236-80b9-4c3d-9eba-739dec081531",
  "code" : "SEVCO:01003",
  "display" : "randomized assignment",
  "designation" : [ {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Interventional research with randomized assignment"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Randomized trial"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Randomized controlled trial"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "RCT"
  } ],
  "version" : "5.0.0"
}