Extension 
extension 
url Documentation for this formatThis is the set of resources that conform to either of the profiles Entry Resource Cross References (http://fhir.ch/ig/ch-core/StructureDefinition/ch-core-ext-entry-resource-cross-references) and Entry Resource Cross References (http://fhir.ch/ig/ch-core/StructureDefinition/ch-core-ext-entry-resource-cross-references). E.g. what you have to deal with if you get resources conforming to one of them
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension | 0..* | Entry Resource Cross References | ||
| extension | 3..* | Extension | Extension | |
| url | 1..1 | uri | identifies the meaning of the extension | |
| Documentation for this format | ||||