Names the type of journal identifier or the authority that created a particular journal identifier.
| Value | Meaning |
|---|---|
| Text, numbers, or special characters | Word or phrase that identifies the organization or service who assigned the identifier (for example, “ index ” to indicate an abstracting or indexing service) or names the type of identifier (for example, “ doi ”) |
| Restriction: This attribute may be specified if the element is used. | |
Although designed to accept any text as its value, the following are suggested journal identifier types for this attribute:
|
archive |
Identifier assigned by an archive or other repository for articles |
|
aggregator |
Identifier assigned by a data aggregator |
|
doaj |
Directory of Open Access Journals |
|
doi |
Digital Object Identifier for the entire journal, not just for the article (rare) |
|
index |
Identifier assigned by an abstracting or indexing service |
|
issn |
International Standard Serial Number for a journal (This value is generally used when referring to related articles.) |
|
nlm-ta |
Identifier assigned by PubMed, for example, “Mol Biol Cell”, “Nucleic Acids Res”, etc. This value is typically the journal abbreviation and may be the same as the abbreviated journal title <abbrev-journal-title>. |
|
pmc |
Identifier assigned by PubMed Central, for example, a PubMed Central journal abbreviation such as “pnas”, “mbc”, “nar”, or “molcellb”, etc. This value is typically the journal abbreviation and may be the same as the abbreviated journal title <abbrev-journal-title>. |
|
publisher-id |
Identifier assigned by the content publisher, for example, “MOLEC” or “MOLCEL” |