{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The percent of the oxygen removed from the blood by tissue during its passage through the capillary network. For example, as measured by blood oxygenation level dependent (BOLD) MR. See He, Xiang, and Dmitriy A. Yablonskiy. \\\"Quantitative BOLD: Mapping of Human Cerebral Deoxygenated Blood Volume and Oxygen Extraction Fraction: Default State.\\\" Magnetic Resonance in Medicine 57, no. 1 (2007): 115-26",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "66e341ba-7f06-5612-ad17-3dd97d210d22",
  "ancestors" : {
    "126392" : 0
  },
  "id" : "d9e1d29e-b6ef-4335-bd36-0ed01732a906",
  "code" : "126392",
  "display" : "Oxygen Extraction Fraction",
  "version" : "01"
}