f:DocumentReference
identifier: maximum cardinality of 'identifier' is 1
class: minimum cardinality of 'class' is 1
subject: minimum cardinality of 'subject' is 1
content: maximum cardinality of 'content' is 1
DocumentReference
If the resource is contained in another resource, it SHALL NOT contain nested Resources (inherited)
If the resource is contained in another resource, it SHALL NOT contain any narrative (inherited)
If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (inherited)
If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource (inherited)
DocumentReference.relatesTo
All FHIR elements must have a @value or children (inherited)
DocumentReference.content
All FHIR elements must have a @value or children (inherited)
f:DocumentReference/f:content/f:attachment
id: maximum cardinality of 'id' is 1
contentType: minimum cardinality of 'contentType' is 1
contentType: maximum cardinality of 'contentType' is 1
language: maximum cardinality of 'language' is 1
data: maximum cardinality of 'data' is 1
url: maximum cardinality of 'url' is 1
size: maximum cardinality of 'size' is 1
hash: maximum cardinality of 'hash' is 1
title: maximum cardinality of 'title' is 1
creation: maximum cardinality of 'creation' is 1
DocumentReference.content.attachment
There shall be a url referencing the data or inline content.
DocumentReference.context
All FHIR elements must have a @value or children (inherited)
DocumentReference.context.related
All FHIR elements must have a @value or children (inherited)