Current Build 

{
  "resourceType" : "ImplementationGuide",
  "id" : "hl7.fhir.IHCPFT-null",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h2>IHC Pulmonary Function Test IG</h2><p>The official URL for this implementation guide is: </p><pre>http://hl7.org/fhir/IHCPFT/ImplementationGuide/IHCPFT</pre><div><p>The Implementation Guide resource profile for the IHC Pulmonary Function Test IG</p>\n</div></div>"
  },
  "url" : "http://hl7.org/fhir/IHCPFT/ImplementationGuide/IHCPFT",
  "version" : "1.0",
  "name" : "IHC Pulmonary Function Test IG",
  "status" : "draft",
  "date" : "2018-09-26T00:00:00-06:00",
  "publisher" : "Intermountain Healthcare",
  "description" : "The Implementation Guide resource profile for the IHC Pulmonary Function Test IG",
  "copyright" : "HSPC",
  "fhirVersion" : "3.0.1",
  "package" : [
    {
      "id" : "p1",
      "name" : "Profiles in this Implementation Guide",
      "resource" : [
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/implementationguide-page",
              "valueUri" : "StructureDefinition-ForcedVitalCapacityVolPtResQn.html"
            }
          ],
          "example" : false,
          "sourceReference" : {
            "reference" : "StructureDefinition/ForcedVitalCapacityVolPtResQn",
            "display" : "Forced Vital Capacity"
          }
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/implementationguide-page",
              "valueUri" : "VolumeExpiredDuringOneSecondOfForcedExpirationVolPtRespQn-WoundAssertOption2.html"
            }
          ],
          "example" : false,
          "sourceReference" : {
            "reference" : "StructureDefinition/VolumeExpiredDuringOneSecondOfForcedExpirationVolPtRespQn",
            "display" : "FEV1"
          }
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/implementationguide-page",
              "valueUri" : "StructureDefinition-VoluntaryVentilationMaxVRatPtResQn.html"
            }
          ],
          "example" : false,
          "sourceReference" : {
            "reference" : "StructureDefinition/VoluntaryVentilationMaxVRatPtResQn",
            "display" : "Maximum Voluntary Ventilation"
          }
        }
      ]
    }
  ]
}