Letter
Off the rails.
British Medical Journal 1991; 303 doi: https://doi.org/10.1136/bmj.303.6815.1480-a (Published 07 December 1991) Cite this as: British Medical Journal 1991;303:1480
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.