Letters
Lichtenstein technique should be used
BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7026.310 (Published 03 February 1996) Cite this as: BMJ 1996;312:310Article 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.