Corrections Letter BMJ 2000; 321 doi: (Published 01 July 2000) Cite this as: BMJ 2000;321:44 Article Related content Metrics Responses Peer review Email addresses seem to be susceptible to electronic or human glitches. At the end of the letter by Colin Guthrie (20 May, pp 1401-2) the email address should have an underscore (grey_triker{at}hotmail.comFootnotes ARTICLE