Used to record an identifier, such as a pi-uid or doi, for elements such as a reviewed book (<product>)
(#PCDATA)
Text, numbers, or special characters
<abstract>, <boxed-text>, <chem-struct-wrap>, <fig>, <graphic>, <media>, <product>, <supplementary-material>
...
<article-meta>
<article-id pub-id-type="apaID">psq_2009_4984_1_2</article-id>
...
<article-categories>
<subj-group><subject>Reviews</subject></subj-group>
</article-categories>...
<fpage>281</fpage>
<lpage>297</lpage>
<product>
<object-id pub-id-type="pi-uid">2009-02568-000</object-id>
<source>The Cattell Controversy: Race, Science, and Ideology</source>
<person-group person-group-type="reviewer">
<string-name><given-names>William H.</given-names> <surname>Tucker</surname></string-name>
</person-group>
<publisher-loc>Champaign</publisher-loc>: <publisher-name>University of
Illinois Press</publisher-name>, <year>2009</year>. 254 pp.
<isbn>978-0-2520-3400-8</isbn>. $50.00</product>
...
</article-meta>...
common3.ent