Intended for healthcare professionals

Articles

Minerva

British Medical Journal 1992; 305 doi: https://doi.org/10.1136/bmj.305.6865.1374 (Published 28 November 1992) Cite this as: British Medical Journal 1992;305:1374
PDF extract preview

This is a PDF-only article. The first page of the PDF of this article appears above.

Log in

Log in through your institution

Subscribe

* For online subscription