Number of a journal (or other document) within a series.
Related Essay: For a discussion on the use of <volume>, see Ordinal Numbers.
The <volume> element may be used in two contexts: 1) as a part of the metadata describing the document itself, and 2) as part of a description of a cited work inside a bibliographic reference (<element-citation> or <mixed-citation>).
<!ELEMENT volume (#PCDATA %volume-elements;)* >
(#PCDATA | email | ext-link | uri | inline-supplementary-material | related-article | related-object | hr | bold | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | strike | underline | underline-start | underline-end | alternatives | inline-graphic | private-char | chem-struct | inline-formula | tex-math | mml:math | abbrev | milestone-end | milestone-start | named-content | styled-content | fn | target | xref | sub | sup | x)*
Any combination of:
<article-meta>, <element-citation>, <front-stub>, <mixed-citation>, <nlm-citation>, <product>, <related-article>, <related-object>
In article metadata:
...
<front>
<journal-meta>...</journal-meta>
<article-meta>
<article-id pub-id-type="pmid">10092260</article-id>
<title-group>
<article-title>Systematic review of day hospital care
for elderly people</article-title>
</title-group>
<contrib-group>...</contrib-group>
<aff></aff>
<author-notes>...</author-notes>
<pub-date pub-type="pub" iso-8601-date="1999-03-27">
<day>27</day>
<month>03</month>
<year>1999</year>
</pub-date>
<volume>318</volume>
<issue>7187</issue>
<fpage>837</fpage>
<lpage>841</lpage>
<history><date date-type="accepted" iso-8601-date="1999-01-29">
<day>29</day>
<month>01</month>
<year>1999</year>
</date>
</history>
<permissions>
<copyright-statement>...</copyright-statement>
</permissions>
<abstract>...</abstract>
</article-meta>
</front>
...
In an element-style bibliographic reference (punctuation and spacing removed):
...
<back>
...
<ref-list>
...
<ref id="B8"><label>8</label>
<element-citation>
<person-group>
<name><surname>Weissert</surname>
<given-names>W</given-names></name>
<name><surname>Wan</surname>
<given-names>T</given-names></name>
<name><surname>Livieratos</surname>
<given-names>B</given-names></name>
<name><surname>Katz</surname>
<given-names>S</given-names></name>
</person-group>
<article-title>Effects and costs of day-care services
for the chronically ill: a randomized experiment</article-title>
<source>Medical Care</source>
<year iso-8601-date="1980">1980</year>
<volume>18</volume>
<fpage>567</fpage>
<lpage>584</lpage>
<pub-id pub-id-type="pmid">6772889</pub-id>
</element-citation>
</ref>
...
</ref-list>
...
</back>
...
In a mixed-style bibliographic reference (punctuation and spacing preserved):
...
<back>
...
<ref-list>
...
<ref id="B8"><label>8</label>
<mixed-citation>
<string-name><surname>Weissert</surname>,
<given-names>W</given-names></string-name>,
<string-name><surname>Wan</surname>,
<given-names>T</given-names></string-name>,
<string-name><surname>Livieratos</surname>,
<given-names>B</given-names></string-name>,
<string-name><surname>Katz</surname>,
<given-names>S</given-names></string-name>.
<article-title>Effects and costs of day-care services
for the chronically ill: a randomized experiment</article-title>.
<source>Medical Care</source>
<year iso-8601-date="1980">1980</year>;
<volume>18</volume>:
<fpage>567</fpage>–
<lpage>584</lpage>.
<pub-id pub-id-type="pmid">6772889</pub-id>.
</mixed-citation>
</ref>
...
</ref-list>
...
</back>
...
JATS-common1.ent