The authors of this Research paper, Paul Elliott and colleagues (BMJ 2010;340:c3077, doi:10.1136/bmj.c3077), have alerted us to two errors in their full online article. Firstly, the unit for power density should be dBm/m2 (not dBm as stated). Secondly, in the figure (showing the derivation of modelled power density), the unit for Pj should be W not mW. Neither of these errors was present in the print (Pico) version (or the pdf of the print version).
Notes
Cite this as: BMJ 2010;341:c4115
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