Letters, Notes, and AnswersBr Med J 1913; 1 doi: http://dx.doi.org/10.1136/bmj.1.2736.1256 (Published 07 June 1913) Cite this as: Br Med J 1913;1:1256
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