Correspondence
Heroin
Br Med J 1955; 1 doi: https://doi.org/10.1136/bmj.1.4924.1277-b (Published 21 May 1955) Cite this as: Br Med J 1955;1:1277
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.