Melanie L Bell senior research fellow, Michael G Kenward professor, Diane L Fairclough professor, Nicholas J Horton professor
Bell M L, Kenward M G, Fairclough D L, Horton N J.
Differential dropout and bias in randomised controlled trials: when it matters and when it may not
BMJ 2013; 346 :e8668
doi:10.1136/bmj.e8668