Cyclists need helmetsBr Med J (Clin Res Ed) 1988; 296 doi: https://doi.org/10.1136/bmj.296.6630.1144 (Published 23 April 1988) Cite this as: Br Med J (Clin Res Ed) 1988;296:1144
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