As part of a bibliographic reference, used to record a name or identifier, such as a DOI, that describes an entire issue of a journal
<!ELEMENT issue-id (#PCDATA) >
Text, numbers, or special characters
<element-citation>, <mixed-citation>, <product>, <related-article>, <related-object>
No sample is available at this time, as this element’s use is limited to within bibliographic citations.
common3.ent