Letters
Open data for all current drugs
Additional requirements for complex interventions
BMJ 2012; 345 doi: https://doi.org/10.1136/bmj.e8003 (Published 26 November 2012) Cite this as: BMJ 2012;345:e8003
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.