{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "uncontrolled cohort.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "e7eb6755-1be1-5643-9836-39a1d4095087",
  "concept_id" : "28cb2127-6823-57ab-b6f3-3b513a278c05",
  "ancestors" : {
    "cross-section" : 0
  },
  "id" : "08313e8f-e42e-4da2-bbbd-05a48838227e",
  "code" : "cross-section",
  "display" : "cross sectional study",
  "version" : "1.0.0"
}