Poltronieri E, Bravo E, Curti M, et al. Open access publishing trend analysis: statistics beyond the perception. Information Research 2016;21(2), paper 712.
This analysis aimed to track the number of OA journals acquiring impact factor, and to investigate the distribution of subject categories pertaining to these journals in the period 2010-2012. Results showed a growth of OA scholarly publishing, with a prevalence for journals relating to medicine and biological science disciplines.