HubMed is an alternative, third-party interface to PubMed, the database of biomedical literature produced by the National Library of Medicine. PubMed is a free search engine for accessing the MEDLINE database of citations and abstracts of biomedical research articles Features include relevance-ranked search results, web feeds of query updates, direct citation export, tagging and graphical display of related articles.
There is a MediaWiki plugin for creating links to HubMed (though not for Wikipedia, see Wikipedia talk:PMID). HubMed also exports article citations in a format suitable for inclusion in Wikipedia articles.
Eaton AD (2006). "HubMed: a web-based biomedical literature search interface. ". Nucleic Acids Res 34 (Web Server issue): W745–7. doi: . A digital object identifier ( DOI) is a permanent identifier given to an Electronic document. PMID 16845111.