Disclosure of medical informationBr Med J 1980; 281 doi: http://dx.doi.org/10.1136/bmj.281.6250.1299 (Published 08 November 1980) Cite this as: Br Med J 1980;281:1299
Log in using your username and password
Log in through your institution
Register for a free trial to thebmj.com to receive unlimited access to all content on thebmj.com for 14 days.
Sign up for a free trial