Research Article You're never here . . . I'm never there. Br Med J (Clin Res Ed) 1982; 284 doi: https://doi.org/10.1136/bmj.284.6314.482 (Published 13 February 1982) Cite this as: Br Med J (Clin Res Ed) 1982;284:482 Article Related content Metrics Responses Peer review This is a PDF-only article. The first page of the PDF of this article appears below.