International Standard Serial Number is a code that provides title identification for serial publications. Such numbers may be assigned to one or more versions of a journal.
<!ELEMENT issn (#PCDATA %issn-elements;)* >
(#PCDATA)*
Text, numbers, or special characters, zero or more
<element-citation>, <mixed-citation>, <product>, <related-article>, <related-object>
No sample is available at this time.
JATS-common0.ent