Cluster randomised trials: time for improvement. The implications of adopting a cluster design are still largely being ignored
BMJ
.
1998 Oct 31;317(7167):1171-2.
doi: 10.1136/bmj.317.7167.1171.
Authors
M K Campbell
,
J M Grimshaw
PMID:
9794847
PMCID:
PMC1114151
DOI:
10.1136/bmj.317.7167.1171
No abstract available
Publication types
Editorial
MeSH terms
Cluster Analysis*
Randomized Controlled Trials as Topic / methods
Randomized Controlled Trials as Topic / standards*