{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "The study prematurely ended due to toxicity.",
  "system" : "http://terminology.hl7.org/CodeSystem/research-study-reason-stopped",
  "property" : [ ],
  "codesystem" : "67bde24a-01ed-534a-af00-fb0bf3b75f98",
  "concept_id" : "8f2f5841-4c99-59a9-bf9c-6b184804fde0",
  "ancestors" : {
    "closed-due-to-toxicity" : 0
  },
  "id" : "8577c328-2d81-42fe-8dcb-5a2e56c77c0e",
  "code" : "closed-due-to-toxicity",
  "display" : "Closed due to toxicity",
  "version" : "1.0.0"
}