Methods for obtaining unpublished data.
BACKGROUND: In order to minimise publication bias, authors of systematic reviews often spend considerable time trying to obtain unpublished data. These include data from studies conducted but not published (unpublished data), as either an abstract or full-text paper, as well as missing data (data a...
| Main Authors: | , |
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| 格式: | Journal article |
| 語言: | English |
| 出版: |
2011
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