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<issue-id> Issue Identifier (in a citation)
Within a citation (such as a <mixed-citation> or an <element-citation>), used to record an identifier such as a DOI that describes an entire issue of a
journal.
Attributes
Linking Attributes
xlink:type (fixed value = simple)
Namespaces
xmlns:xlink (fixed value = http://www.w3.org/1999/xlink)
Models and Context
May be contained in
Description
Text, numbers, or special characters
Content Model
<!ELEMENT issue-id (#PCDATA) >