<related-article> Related Article Information

Description of a journal article related to the content but published separately. May include a link to the related article.


This element has 2 uses:
Whether used in the metadata or within the text, <related-article> permits the description of all types of “related” references wherever these occur in an article. The @related-article-type attribute can be used to name the type or purpose of the relationship. Examples include:
  • companion articles within the same issue (both sides of a controversy or the same subject for two audiences such as doctor and patient),
  • a previous part of a multi-part article,
  • a news item in the same issue that summarizes the article,
  • a quiz on the material contained in the article,
  • the article on which this letter or editorial comments, and
  • the article for which this article is a correction or addendum.
Related Elements
There are two linking elements in this Tag Set that can be used to point related objects:
  • The <related-article> names related journal articles, such as companion articles or a short news piece based on the document, and
  • The <related-object> names other sorts of related sources, such as a dataset, a related book, or a figure from another published source.

Base Attributes


Models and Context
May be contained in
Any combination of:
Content Model
<!ELEMENT  related-article
                        (#PCDATA %related-article-elements;)*        >
Expanded Content Model

(#PCDATA | bold | fixed-case | italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | journal-id | named-content | styled-content | annotation | article-title | chapter-title | collab | collab-alternatives | comment | conf-acronym | conf-date | conf-loc | conf-name | conf-sponsor | data-title | date | date-in-citation | day | edition | email | elocation-id | etal | ext-link | fpage | gov | institution | institution-wrap | isbn | issn | issn-l | issue | issue-id | issue-part | issue-title | lpage | month | name | name-alternatives | object-id | page-range | part-title | patent | person-group | pub-id | publisher-loc | publisher-name | role | season | series | size | source | std | string-date | string-name | supplement | trans-source | trans-title | uri | version | volume | volume-id | volume-series | year | sub | sup)*

Tagged Samples
Link to correction in <article-meta>
<article dtd-version="1.3">
    <article-title>ABC of oxygen: Diving and oxygen</article-title>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="1999-03-27">
    <copyright-statement>Copyright &#x00A9; 1999, British
     Medical Journal</copyright-statement>
   <related-article xmlns:xlink="http://www.w3.org/1999/xlink"
     related-article-type="corrected-article" xlink:href="9765173" vol="317"
Companion Article
  <copyright-statement>Copyright: &copy; 2004 Eichenberger
   et al.</copyright-statement>
  <license license-type="open-access"
   <license-p>This is an open-access article distributed under the 
    terms of the Creative Commons Attribution License, which permits 
    unrestricted use, distribution, and reproduction in any medium, 
    provided the original work is properly cited.</license-p>
 <related-article related-article-type="companion"
   xlink:title="synopsis" xlink:href="10.1371/journal.pbio.0020359"
   vol="2" page="e359">
  <article-title>How to Make a Mother in Five Easy