Articles
Opinion
British Medical Journal 1988; 297 doi: https://doi.org/10.1136/bmj.297.6655.1064 (Published 22 October 1988) Cite this as: British Medical Journal 1988;297:1064
This is a PDF-only article. The first page of the PDF of this article appears above.
Log in
Log in using your username and password
Log in through your institution
Subscribe from £184 *
Subscribe and get access to all BMJ articles, and much more.
* For online subscription
Access this article for 1 day for:
£50 / $60/ €56 (excludes VAT)
You can download a PDF version for your personal record.