{
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  "definition" : "Wyeth-Ayerst (includes Wyeth-Lederle Vaccines and Pediatrics, Wyeth Laboratories, Lederle Laboratories, and Praxis Biologics)",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-VaccineManufacturer",
  "property" : [ ],
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  "concept_id" : "605b4407-e972-5ff9-9b1a-2d560eea9f90",
  "ancestors" : {
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  "code" : "WAL",
  "display" : "Wyeth-Ayerst (includes Wyeth-Lederle Vaccines and Pediatrics, Wyeth Laboratories, Lederle Laboratories, and Praxis Biologics)",
  "version" : "2018-08-12"
}