CONSORT statement: extension to cluster randomised trials.
Campbell
Marion K
MK
Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD. m.k.campbell@abdn.ac.uk
Elbourne
Diana R
DR
Altman
Douglas G
DG
D016000:Cluster Analysis; D019983:Guideline Adherence; D017408:Guidelines as Topic; D011643:Publishing / Q000592:standards*; D016032:Randomized Controlled Trials as Topic / Q000379:methods* / Q000592:standards; D012107:Research Design