Research Article Bran yesterday . . . bran tomorrow? Br Med J (Clin Res Ed) 1984; 289 doi: https://doi.org/10.1136/bmj.289.6437.69 (Published 14 July 1984) Cite this as: Br Med J (Clin Res Ed) 1984;289:69 Article Related content Metrics Responses Peer review This is a PDF-only article. The first page of the PDF of this article appears below.