<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

Base Attributes

Models and Context
May be contained in
Description
Text, numbers, or special characters, zero or more
Content Model
<!ELEMENT  issn         (#PCDATA %issn-elements;)*                   >
Expanded Content Model

(#PCDATA)*

Tagged Sample

In citations

Mixed citation
...
<ref>
 <mixed-citation>
  <person-group person-group-type="author">
  <string-name><surname>Forster</surname>  
  <given-names>Anne Williams</given-names></string-name>,  
  <string-name><surname>Young</surname>  
  <given-names>John G.</given-names></string-name>
  </person-group> <article-title>Systematic 
  review of day hospital care for elderly 
  people</article-title>. <source>British Medical 
  Journal</source>. <day>27</day> <month>03</month>
  <year iso-8601-date="1999">1999</year>;
  <volume>318</volume>(<issue>7187</issue>):
  <fpage>837</fpage>&ndash;<lpage>841</lpage>.
  ISSN: <issn>0959-8138</issn>. <pub-id>10092260</pub-id>.
 </mixed-citation>
</ref>
...
Element citation
...
<ref>
 <element-citation>
  <person-group person-group-type="author">
   <name><surname>Forster</surname>
    <given-names>Anne Williams</given-names></name>
   <name><surname>Young</surname>
    <given-names>John G.</given-names></name>
  </person-group>
  <article-title>Systematic review of day hospital
   care for elderly people</article-title>
  <source>British Medical Journal</source>
  <volume>318</volume>
  <issue>7187</issue>
  <fpage>837</fpage>
  <lpage>841</lpage>
  <day>27</day>
  <month>03</month>
  <year iso-8601-date="1999">1999</year>
  <issn>0959-8138</issn>
  <pub-id>10092260</pub-id>
 </element-citation>
</ref>
...