<issue> Issue Number

Issue number of a journal, or in rare instances, a book.

Usage/Remarks

Only in Citations
In this Tag Set, article-related issue numbers are only used in citations and other elements that describe publications. For example, the <issue> element is used in bibliographic references (<element-citation> and <mixed-citation>) where it indicates the issue in which the cited material was published.
Citing Joint Issues
If an article was published in a joint issue “Iss. 2-3”, both issue numbers should be placed into a single <issue> element: <issue>1-2</issue>. In citations, this circumstance is very rare.
Citing Multiple Issue Numbers
The element issue number (<issue>) is allowed to repeat, to handle the rare circumstance in which a publisher has both an issue number within a volume and an issue sequence number (not volume related) within the run of the publication. In such cases, the attribute @content-type should be used to differentiate the two types of issues.
In this example, from the Journal of Medical Research in 1902, the “Vol.” was given as “VIII”, the “No.” as “2”, and the “Whole No.” as “70”. (See Cover: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2105865/pdf/jmedres00125-0003.pdf and Article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2105865/.)
Related Elements
The related element <issue-id> records an identifier for the issue. This <issue> number element is typically just a simple number such as “4” or “35”.
Attributes

Base Attributes

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

(#PCDATA | email | ext-link | uri | inline-supplementary-material | related-article | related-object | hr | bold | fixed-case | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | serif | strike | underline | underline-start | underline-end | ruby | alternatives | inline-graphic | inline-media | private-char | chem-struct | inline-formula | tex-math | mml:math | abbrev | index-term | index-term-range-end | milestone-end | milestone-start | named-content | styled-content | fn | target | xref | sub | sup | x)*

Tagged Sample

In citations

Element citation
...
<ref>
 <element-citation publication-type="journal" publication-format="print">
  <name><surname>Llanos De La Torre Quiralte</surname>
   <given-names>M</given-names></name>
  <name><surname>Garijo Ayestaran</surname>
   <given-names>M</given-names></name>
  <name><surname>Poch Olive</surname>
   <given-names>ML</given-names></name>
  <article-title xml:lang="es">Evolucion de la mortalidad
   infantil de La Rioja (1980-1998)</article-title>
  <trans-title xml:lang="en">Evolution of the infant
   mortality rate in la Rioja in Spain
   (1980-1998)</trans-title>
  <source>An Esp Pediatr</source>
  <year iso-8601-date="2001-11">2001</year>
  <month>Nov</month>
  <volume>55</volume>
  <issue>5</issue>
  <fpage>413</fpage>
  <lpage>420</lpage>
  <comment>Figura 3, Tendencia de mortalidad infantil
   [Figure 3, Trends in infant mortality]; p. 418.
   Spanish</comment>
 </element-citation>
</ref>
...
Mixed citation
...
<ref>
 <mixed-citation publication-type="journal" publication-format="print">
  <string-name><surname>Llanos De La Torre Quiralte</surname>
  <given-names>M</given-names></string-name>,
  <string-name><surname>Garijo Ayestaran</surname>
  <given-names>M</given-names></string-name>,
  <string-name><surname>Poch Olive</surname>
  <given-names>ML</given-names></string-name>.
  <article-title xml:lang="es">Evolucion de la mortalidad
  infantil de La Rioja (1980-1998)</article-title>
  [<trans-title xml:lang="en">Evolution of the infant
  mortality rate in la Rioja in Spain (1980-1998)</trans-title>].
  <source>An Esp Pediatr</source>. <year iso-8601-date="2001-11">2001</year>
  <month>Nov</month>;<volume>55</volume>(<issue>5</issue>):
  <fpage>413</fpage>-<lpage>420</lpage>. Figura 3, Tendencia
  de mortalidad infantil [Figure 3, Trends in infant
  mortality]; p. 418. Spanish.</mixed-citation>
</ref>
...