| Natalie McGauran Disagreement in primary study selection between systematic reviews on negative pressure wound therapyFrank Peinemann Institute for Quality and Efficiency in Health Care IQWiG, Dillenburger Str 27, 51105 Cologne, Germany BMC Med Res Methodol 8:41. 2008 Negative pressure wound therapy: potential publication bias caused by lack of access to unpublished study results dataFrank Peinemann Institute for Quality and Efficiency in Health Care IQWiG, Dillenburger Str, 27, 51105 Cologne, Germany BMC Med Res Methodol 8:4. 2008 Reporting bias in medical research - a narrative reviewNatalie McGauran Institute for Quality and Efficiency in Health Care, Dillenburger Str 27, 51105 Cologne, Germany Trials 11:37. 2010 Impact of document type on reporting quality of clinical drug trials: a comparison of registry reports, clinical study reports, and journal publicationsBeate Wieseler Institute for Quality and Efficiency in Health Care, Dillenburger Strasse 27, 51105 Cologne, Germany BMJ 344:d8141. 2012
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