Increasing amount of content in UKPMC is fully open access
Connotea Imports 2012-07-31
Summary:
"Analysis of the content in UKPMC shows an increasing proportion of articles...[libre OA] and thus can be downloaded, and re-used, typically for non-commercial purposes. To be clear, all content in UKPMC...[is gratis OA], but only a subset of this content is...[libre OA]. In 2001, just 7% of the articles published in that year and added to UKPMC, were...[libre OA]....In 2009, 33% of the articles published that year and added to UKPMC were...[libre OA]..."