News
US Congress introduces bill to end free access to federally funded research
BMJ 2009; 338 doi: https://doi.org/10.1136/bmj.b2199 (Published 01 June 2009) Cite this as: BMJ 2009;338:b2199Article usage
Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.