DOI:
10.1055/s-00000046
OP-Journal
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References
Davey J, Turner RM, Clarke MJ. et al.
Characteristics of meta-analyses and their component studies in the Cochrane Database of Systematic Reviews: a cross-sectional, descriptive analysis.
BMC Med Res Methodol 2011;
11: 160
doi:10.1186/1471-2288-11-160
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