共 6 条
[2]
CONSORT statement: extension to cluster randomised trials
[J].
BMJ-BRITISH MEDICAL JOURNAL,
2004, 328 (7441)
:702-708
[4]
Accuracy of data in abstracts of published research articles
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1999, 281 (12)
:1110-1111
[5]
Wells GA., NEWCASTLE OTTAWA SCA