Within a bibliographic reference (<citation> or <nlm-citation>), the <source> is the title of a journal, book, conference proceedings, etc. that contains (is the source of) the material that is being cited.


For extensive examples of formatted <nlm-citation>s including use of <source>s in <nlm-citation>s, see: Sample PubMed Central Citations. To see tagged versions of these examples, see: Sample PubMed Central Citations - XML Tagged.


xml:lang Language

Related Elements

Within a bibliographic reference (<citation> or <nlm-citation>), the <source> element is the title of the container being referenced, such as a journal or a book, and the title of the article within the journal or proceedings that is being cited is contained in an <article-title> element.

Model Information

Content Model

<!ELEMENT  source       (#PCDATA %source-elements;)*                 >


Any combination of:

This element may be contained in:

<citation> Citation; <nlm-citation> NLM Citation Model; <product> Product Information; <related-article> Related Article Information

Tagged Example

<nlm-citation citation-type="journal">
<article-title>Electrogastrographic study of patients with 
unexplained nausea, bloating and vomiting</article-title>