British Medical JournalBr Med J 1901; 2 doi: http://dx.doi.org/10.1136/bmj.2.2127.997 (Published 05 October 1901) Cite this as: Br Med J 1901;2:997
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