Dr. William FergussonBr Med J 1929; 1 doi: http://dx.doi.org/10.1136/bmj.1.3556.427 (Published 02 March 1929) Cite this as: Br Med J 1929;1:427
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