External module in the base DTD Suite that declares the article metadata elements used typically to describe a journal article, but in this instance used to supplement metadata elements in the %bookmeta.ent; and %bookpart.ent; modules; such elements describe copyright information, abstracts, keyword groupings, and some types of titles.
<!ENTITY % articlemeta.ent PUBLIC "-//NLM//DTD Archiving and Interchange DTD Suite Journal Article Metadata Elements v2.2 20060430//EN" "articlemeta.ent" >
modules.ent