What is a DOI?
DOI = Digital Object Identifier.
It is a unique alphanumeric string assigned to articles and provides a persistent link on the open web. A DOI starts with the number 10, 11, or 12. Not all articles will have a DOI; it is most common with journal articles published after 1998.
Examples:
- 10.55549/jeseh.1417888
- 10.1007/s10643-023-01608-2
Libraries also use DOI to locate articles in databases.
Lookup a journal article by DOI or PMID
*Tip: DOIs start with 10.### Omit any HTTP or HTTPS. See this FAQ for details.
DOI in an Article
Look near the top of the first page. It is often found by the title and author(s).
FIND a DOI
Locate a DOI with CrossRef.
Note: If you do not find a DOI at the publisher site, in the journal article, or in CrossRef you can assume that your article does NOT have a DOI.
