Significance of the E.S.RBr Med J 1945; 2 doi: https://doi.org/10.1136/bmj.2.4429.742 (Published 24 November 1945) Cite this as: Br Med J 1945;2:742
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