News
In brief
BMJ 2006; 332 doi: https://doi.org/10.1136/bmj.332.7533.68 (Published 12 January 2006) Cite this as: BMJ 2006;332:68
Article 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.