Type of Related Article

Type of article being described by the element (for example, “companion-article”, “corrected-article”, “retracted-article”).


The <related-article> element describes (and may point to) another article that bears some relationship to the book or book part. This attribute describes (names the type of) the article being pointed to.

Used on Element: <related-article>

Text, numbers, or special charactersThe article type for the related article, for example, “companion” or “quiz”.
Restriction@related-article-type is required; it must be provided if the element is used.

Suggested usage

Potential values for this attribute describe how the related article is related to this book or book part:
Additional material for a book, which was generated too late to be added to the main text, so it was published as a journal article instead.
Associated commentary, review, or editorial describing the book
Used in a book or book part to name a companion (related) journal article
Used in a book to name (point forward to) any associated correction (rarely used)
Names a related book part in the same book or volume
Names a letter to a publication or a reply to such a letter that talks about the book


<related-article related-article-type="companion" vol="2" page="e359"
xlink:title="synopsis" xlink:href="10.1371/journal.pbio.0020359">
<article-title>How to Make a Mother in Five Easy Steps</article-title>