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  "status": "draft",
  "date": "2018-06-05T18:05:26.275Z",
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  "baseDefinition": "http://rivta.se/fhir/StructureDefinition/se-core-vitalsigns-v1/Observation",
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  "differential": {
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        "definition": "Här anges mätetalet i cm med 1 decimal, exempelvis 38.5 (”.” är decimalseparator i standard XML",
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