{
  "resourceType": "StructureDefinition",
  "url": "http://hl7.org/fhir/ips/StructureDefinition/Ratio-uv-ips",
  "name": "Ratio-uv-ips",
  "title": "Ratio",
  "status": "draft",
  "date": "2018-03-21T13:49:16.166+00:00",
  "contact": [
    {
      "name": "Christof Gessner"
    }
  ],
  "description": "Ratio data type, constrained to use UCUM as a codesystem.",
  "purpose": "allow only UCUM as a codesystem.",
  "fhirVersion": "3.0.1",
  "kind": "complex-type",
  "abstract": false,
  "type": "Ratio",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Ratio",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Ratio.numerator.system",
        "path": "Ratio.numerator.system",
        "min": 1,
        "fixedUri": "http://unitsofmeasure.org"
      },
      {
        "id": "Ratio.numerator.code",
        "path": "Ratio.numerator.code",
        "min": 1
      },
      {
        "id": "Ratio.denominator.system",
        "path": "Ratio.denominator.system",
        "min": 1,
        "fixedUri": "http://unitsofmeasure.org"
      },
      {
        "id": "Ratio.denominator.code",
        "path": "Ratio.denominator.code",
        "min": 1
      }
    ]
  }
}