Careers
Why I . . . sing
BMJ 2019; 367 doi: https://doi.org/10.1136/bmj.l4939 (Published 14 October 2019) Cite this as: BMJ 2019;367:l4939Article 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.