Randomised controlled trials for the BMJ need to be registeredBMJ 2005; 331 doi: http://dx.doi.org/10.1136/bmj.331.7511.273 (Published 28 July 2005) Cite this as: BMJ 2005;331:273
If you are the author of a randomised controlled trial that begins enrolment of patients after 1 July 2005 you must register it in a public trials registry, at or before the start of …
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