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BMJ. 2005 Jan 15;330(7483):142-4.

Clustering by health professional in individually randomised trials.

Author information

1
MRC Biostatistics Unit, Institute of Public Health, Cambridge CB2 2SR. kjl27@cam.ac.uk
PMID:
15649931
PMCID:
PMC544437
DOI:
10.1136/bmj.330.7483.142
[Indexed for MEDLINE]
Free PMC Article

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