The explicit list of values for the article-type attribute, which can be used to attach information classes (such as “book-review”) to articles for grouping or searching
<!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