Answered By: Corporate Communications Last Updated: Feb 18, 2016 Views: 9331
These are all specific identifiers unique to a source of information.
ISSN: International Standard Serial Number (ISSN) is a unique number used to identify a print or electronic periodical (journal) title.
DOI: A Digital Object Identifier (DOI) is used to uniquely identify objects in the digital environment, for example a journal article or data set.
PMID: PubMed Identifier (PMID) is a unique number assigned to each PubMed citation.
Curtin University Library