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Number and size of randomized trials reported in general health care journals from 1948 to 1997.

Abstract:

BACKGROUND: Randomized trials are important for controlling selection biases, and where sufficient numbers of participants are involved, have the potential to yield reliable estimates of treatment effects. METHODS: We investigated trends in the number and size of randomized trials reported in general health care journals from 1948 to 1997. From the handsearching of 18 general health care journals we collected data on the number of reports of randomized trials in each journal per year, and th...

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Publication status:
Published

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Publisher copy:
10.1093/ije/31.1.125

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Institution:
University of Oxford
Department:
Oxford, MSD, Clinical Trial Service Unit
Role:
Author
Journal:
International journal of epidemiology
Volume:
31
Issue:
1
Pages:
125-127
Publication date:
2002-02-05
DOI:
EISSN:
1464-3685
ISSN:
0300-5771
URN:
uuid:e3d14024-31da-4a2b-a682-bb35441de29a
Source identifiers:
49410
Local pid:
pubs:49410

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