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<issn> ISSN

International Standard Serial Number, the international code that uniquely identifies a serial publication title.

Usage/Remarks

The format/medium type of a particular <issn> can be captured using the @publication-format attribute.
Attributes
assigning-authority
content-type
publication-format
pub-type
specific-use

Base Attributes

id
xml:base
Models and Context
May be contained in
<element-citation>, <event>, <event-desc>, <journal-meta>, <mixed-citation>, <product>, <related-article>, <related-object>
Description
Text, numbers, or special characters, zero or more
Content Model
<!ELEMENT  issn         (#PCDATA %issn-elements;)*                   >
Expanded Content Model

(#PCDATA)*

Tagged Samples
<journal-meta> 
...
<front>
 <journal-meta>
  <journal-id journal-id-type="pmc">BMJ</journal-id>
  <journal-id journal-id-type="publisher">BR MED J</journal-id>
  <issn>0959-8138</issn>
  <publisher>
   <publisher-name>British Medical Journal</publisher-name>
  </publisher>
 </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 id="StLukes">...</aff>
  <pub-date publication-format="print" date-type="pub" iso-8601-date="1999-03-27">
   ...</pub-date>
  ...
 </article-meta>
</front>
...
Multiple <issn>s 
...
<journal-meta>
 ...  
 <journal-title-group>
  <journal-title>Low Temperature Physics</journal-title>
  <abbrev-journal-title>Low Temp. Phys.</abbrev-journal-title>
 </journal-title-group>
 <issn publication-format="print">1063-777X</issn>
 <issn publication-format="electronic">1090-6517</issn>
 ...
</journal-meta>
...