The concept of diseaseBr Med J 1979; 2 doi: https://doi.org/10.1136/bmj.2.6196.1001 (Published 20 October 1979) Cite this as: Br Med J 1979;2:1001
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