Research
Impact of document type on reporting quality of clinical drug trials: a comparison of registry reports, clinical study reports, and journal publications
BMJ 2012; 344 doi: https://doi.org/10.1136/bmj.d8141 (Published 03 January 2012) Cite this as: BMJ 2012;344:d8141
Data supplement
Web Extra
Extra material supplied by the author: list of included drug assessments; coding of study methods and outcome items; and comparison of proportions of studies with complete information
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Web Extra
Extra material supplied by the author: list of included drug assessments; coding of study methods and outcome items; and comparison of proportions of studies with complete information
Files in this Data Supplement:
Web Extra
Extra material supplied by the author: list of included drug assessments; coding of study methods and outcome items; and comparison of proportions of studies with complete information
Files in this Data Supplement:
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EditorialMissing clinical trial data
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