Comparative effect sizes in randomised trials from less developed and more developed countries: meta-epidemiological assessmentBMJ 2013; 346 doi: http://dx.doi.org/10.1136/bmj.f707 (Published 12 February 2013) Cite this as: BMJ 2013;346:f707
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