Union of http://hl7.org/fhir/us/ecr/StructureDefinition/rr-external-resource-extension and http://hl7.org/fhir/us/ecr/StructureDefinition/rr-external-resource-extension

This is the set of resources that conform to either of the profiles RR External Resource Extension (http://hl7.org/fhir/us/ecr/StructureDefinition/rr-external-resource-extension) and RR External Resource Extension (http://hl7.org/fhir/us/ecr/StructureDefinition/rr-external-resource-extension). E.g. what you have to deal with if you get resources conforming to one of them

Structure

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*		External Resource
extension		0..*	Extension	left: Additional content defined by implementations; right: Extension
url		1..1	uri	identifies the meaning of the extension
value[x]		1..1	Reference(RR DocumentReference | #sd-rr-documentreference-rr-documentreference)	DocumentReference for an external resource
Documentation for this format