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Methods for obtaining unpublished data

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References

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Cited by

2014Obsessive-Compulsive Disorder Is Associated With Broad Impairments in Executive Function325 cited
2018

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Systematic Review of the Literature: Best Practices

105 cited

2022Include or not to include conference abstracts in systematic reviews? Lessons learned from a large Cochrane network meta-analysis including 585 trials62 cited

2019Search strategies to identify observational studies in MEDLINE and Embase61 cited

2013Searching for unpublished data for Cochrane reviews: cross sectional study43 cited

2013The application of knowledge synthesis methods in agri-food public health: Recent advancements, challenges and opportunities43 cited

2016Disconnected by design: analytic approach in treatment networks having no common comparator42 cited

2017Contacting of authors by systematic reviewers: protocol for a cross-sectional study and a survey26 cited

2017Quasi-experimental study designs series—paper 8: identifying quasi-experimental studies to inform systematic reviews25 cited

2020Searching practices and inclusion of unpublished studies in systematic reviews of diagnostic accuracy23 cited

2019Evaluating the effectiveness, efficiency, cost and value of contacting study authors in a systematic review: a case study and worked example20 cited

2019Contacting authors by telephone increased response proportions compared with emailing: results of a randomized study20 cited

2019Contacting of authors modified crucial outcomes of systematic reviews but was poorly reported, not systematic, and produced conflicting results18 cited

2023Reviewer training for improving grant and journal peer review17 cited

2013Search strategies to identify observational studies in MEDLINE and EMBASE12 cited

2015Why do we need Evidence-Based Methods in Cochrane?12 cited