This is a subject based repository, that mirrors the data held on the PubMed Central site. Since 2010, the service diversified from PMC and introduced additional content including PubMed abstracts and biological patents. In addition this site acts as an Open Access repository for peer-reviewed research from researchers who have been funded by the Europe PMC Funders Group - submitted via the Europe PMC Manuscript Submission System A range of supporting guidance and background information are available on this site.