Corrections
Subjects no more: what happens when trial participants realize they hold the power?
BMJ 2014; 348 doi: https://doi.org/10.1136/bmj.g3383 (Published 16 May 2014) Cite this as: BMJ 2014;348:g3383
The link to reference 18 in this Observations article by Paul Wicks and colleagues (BMJ 2014;348:g368, doi:10.1136/bmj.g368) is incorrect because the information provided was incomplete. The correct citation is Qual Life Res 2013:22(Suppl 1):55 (doi:10.1007/s11136-013-0543-1).
Notes
Cite this as: BMJ 2014;348:g3383