{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Includes initial studies to determine the metabolism and pharmacologic actions of drugs in humans, the side effects associated with increasing doses, and to gain early evidence of effectiveness; may include healthy participants and/or patients.",
  "system" : "http://terminology.hl7.org/CodeSystem/research-study-phase",
  "property" : [ ],
  "codesystem" : "ee5ea2b9-f362-5c7e-b4d6-917b2833d891",
  "concept_id" : "2ee44047-1330-50a4-8702-45337409b232",
  "ancestors" : {
    "phase-1" : 0
  },
  "id" : "58255e80-7591-4fd9-8c3a-c2b98feac6e4",
  "code" : "phase-1",
  "display" : "Phase 1",
  "version" : "4.0.1"
}