A Circle-type Carbon Dioxide AbsorberBr Med J 1943; 1 doi: http://dx.doi.org/10.1136/bmj.1.4282.130 (Published 30 January 1943) Cite this as: Br Med J 1943;1:130
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