X Rays: A Simple Method of Increasing the Efficiency of the TubesBr Med J 1897; 1 doi: http://dx.doi.org/10.1136/bmj.1.1897.1156 (Published 08 May 1897) Cite this as: Br Med J 1897;1:1156
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