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Choice of data extraction tools for systematic reviews depends on resources and review complexity.
Download from www.researchgate.netLOST to follow-up Information in Trials (LOST-IT): a protocol on the potential impact
Download from dx.doi.orgHemodynamic Performance of Stentless Versus Stented Valves: A Systematic Review and Meta-Analysis
Download from www.researchgate.netEarly stopping of randomized clinical trials for overt efficacy is problematic.
Download from www.researchgate.netSystematic reviewers neglect bias that results from trials stopped early for benefit
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