Short code that represents the journal; used as an alternative to or short form of the journal title; used for identification of the journal domain. Authoring Note (PMC-only): The PMC identifiers come from an authorized list, so that each journal code is unique in the PMC system. The PMC identifier is the PMC short abbreviation of the journal title, used to identify the journal domain.
<!ELEMENT journal-id (#PCDATA) >
Text, numbers, or special characters
No sample is available at this time.