Education And Debate
Complex interventions: how “out of control” can a randomised controlled trial be?BMJ 2004; 328 doi: http://dx.doi.org/10.1136/bmj.328.7455.1561 (Published 24 June 2004) Cite this as: BMJ 2004;328:1561
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