Correspondence
Points from Letters: Colours of Gas Cylinders
Br Med J 1952; 2 doi: https://doi.org/10.1136/bmj.2.4783.566-e (Published 06 September 1952) Cite this as: Br Med J 1952;2:566Article 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.