The numeric value of a day of the month, in two-digit form as it would be stated as the “DD” in the international date format YYYY-MM-DD, for example, “03”, “25”.
Used in both article metadata and within bibliographic references <citation> and <nlm-citation>. For extensive examples of formatted <nlm-citation>s including use of <day>s in <nlm-citation>s, see: Sample PubMed Central Citations. To see tagged versions of these examples, see: Sample PubMed Central Citations - XML Tagged.
Text, numbers, or special characters.
In article metadata
... <article-meta> <article-id pub-id-type="pmid">...</article-id> <title-group>... </title-group> <contrib-group>... </contrib-group> <aff id="StLukes">...</aff> <pub-date pub-type="pub"> <day>27</day><month>3</month> <year>1999</year> </pub-date> <volume>318</volume> <issue>7187</issue> <fpage>837</fpage> <lpage>841</lpage> <history> <date date-type="accepted"> <day>29</day> <month>1</month> <year>1999</year></date> </history> <copyright-statement>Copyright © 1999, British Medical Journal</copyright-statement> <copyright-year>1999</copyright-year> <abstract> <p>To examine the effectiveness of day hospital attendance in prolonging independent living for elderly people.</p> </abstract> </article-meta>...
In a NLM-style bibliographic citation
<nlm-citation citation-type="journal">
<collab>The Royal Marsden Hospital Bone-Marrow Transplantation Team</collab>
<article-title>Failure of syngeneic bone-marrow graft without preconditioning in post-hepatitis marrow aplasia</article-title>
<source>Lancet</source>
<year>1977</year>
<month>10</month>
<day>8</day>
<volume>2</volume>
<issue>8041</issue>
<fpage>742</fpage>
<lpage>744</lpage>
</nlm-citation>
common.ent