Container element for the identification information (typically the title and/or an identification number) for a cited governmental report or other government publication
<!ELEMENT gov (#PCDATA %gov-elements;)* >
Any combination of:
<citation> Citation; <related-article> Related Article Information
...
<ref>
<citation citation-type="gov">
<person-group person-group-type="author">
<name><surname>Norman</surname>
<given-names>John C</given-names></name>
<aff>Texas Heart Institute, Houston, TX</aff>
</person-group>
<gov>Report No.: NIH-N01-HV-5-3006-4-VI. Contract No.
N01-HV-5-3006</gov>
<source>ALVAD: 1980. A comprehensive final report to NHLI</source>
<year>1980</year>
<month>Jan</month>
<volume>Vol. 1</volume>
<publisher-loc>Bethesda (MD)</publisher-loc>
<publisher-name>National Institutes of Health, National Heart and
Lung Institute, Devices and Services Branch</publisher-name>
<lpage>340</lpage> Available from: NTIS, Springfield, VA;
PB80-148810</citation>
</ref>
...
references.ent