Collective InvestigationBr Med J 1884; 2 doi: http://dx.doi.org/10.1136/bmj.2.1248.1097 (Published 29 November 1884) Cite this as: Br Med J 1884;2:1097
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