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BMJ 2005;330:345 (12 February), doi:10.1136/bmj.330.7487.345-b
The authors of this paper, Mahyar Etminan and colleagues, alerted us shortly before publication to the fact that some of their results were incorrect, although the conclusions are unaffected (BMJ 2005;330:63-5, 8 Jan). We managed to correct the abridged version in the journal but not the full version on the web. To see the corrections relating to the web version, go to http://bmj.bmjjournals.com/cgi/content/full/bmj.38302.504063.8F/DC1
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