{
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  }, {
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    "valueCode" : "_SpecimenEntityType"
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  "codesystem" : "515276e9-3b68-56d3-afe2-2cf8c5371039",
  "concept_id" : "bf99fe69-8699-5dec-9b72-580f823f2695",
  "ancestors" : {
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  "display" : "Erythrocytes",
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}