{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The element defines an exposure within the population that is being researched.",
  "system" : "http://hl7.org/fhir/research-element-type",
  "property" : [ ],
  "codesystem" : "653f02a2-44e4-534d-856d-1e989d1119f3",
  "concept_id" : "a52ea903-16f6-5ad1-b285-cc0f31fb618c",
  "ancestors" : {
    "exposure" : 0
  },
  "id" : "f43cd0c0-189f-4b3e-9e02-2d58213bc796",
  "code" : "exposure",
  "display" : "Exposure",
  "version" : "4.0.1"
}