{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "A nicotinic α4β2 receptor (nAChR) PET radiotracer",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
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  "display" : "Flubatine F^18^",
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}