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 |
Title abbreviation assigned as identifier 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” |