Letters
SARS: understanding the coronavirus
BMJ 2003; 327 doi: https://doi.org/10.1136/bmj.327.7415.620-a (Published 11 September 2003) Cite this as: BMJ 2003;327:620Article 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.