{

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            "system": "http://unitsofmeasure.org",
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            "system": "http://unitsofmeasure.org",
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],
"status": "completed",
"medicationReference": {
  "reference": "#med0313"
},
"subject": {
  "reference": "Patient/pat1",
  "display": "Donald Duck"
},
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  "reference": "Encounter/f001",
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},
"effectivePeriod": {
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  "end": "2015-01-15T14:30:00+01:00"
},
"performer": [
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        {
          "system": "http://terminology.hl7.org/CodeSystem/med-admin-perform-function",
          "code": "performer",
          "display": "Performer"
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    },
    "actor": {
      "reference": "Practitioner/f007",
      "display": "Patrick Pump"
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  }
],
"request": {
  "reference": "MedicationRequest/medrx0315"
},
"device": [
  {
    "reference": "Device/f001"
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],
"dosage": {
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    "unit": "min",
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},
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      "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
      "code": "HTEST",
      "display": "test health data"
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}

}