What kind of article is this? All articles should have types assigned if possible.
<!ENTITY % article-types "article-commentary | abstract | addendum |
announcement | book-review |
books-received | brief-report | calendar |
case-report | correction | discussion |
editorial | in-brief | introduction |
letter | meeting-report | news | obituary |
oration | other | product-review |
research-article | retraction | reply |
review-article" >journalpublishing.dtd