This is the set of resources that conform to either of the profiles Obervation link period (http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-observationLinkPeriod) and Obervation link period (http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-observationLinkPeriod). E.g. what you have to deal with if you get resources conforming to one of them
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Extension | 0..1 | Relevant time to pre-pop observation ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | ||
  extension | 0..* | Extension | left: Additional content defined by implementations; right: Extension ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
 url | 1..1 | uri | identifies the meaning of the extension | |
  value[x] | 0..1 | Duration | Value of extension ele-1: All FHIR elements must have a @value or children | |
| Documentation for this format | ||||