General Articles And News
Medical NewsBr Med J 1949; 1 doi: http://dx.doi.org/10.1136/bmj.1.4597.290 (Published 12 February 1949) Cite this as: Br Med J 1949;1:290
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