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Frequency of multiple changes to prespecified primary outcomes of clinical trials completed between 2009 and 2017 in German university medical centers: A meta-research study | 33 |
July 2024 | August 2024 | September 2024 | October 2024 | November 2024 | December 2024 | January 2025 | |
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Frequency of multiple changes to prespecified primary outcomes of clinical trials completed between 2009 and 2017 in German university medical centers: A meta-research study | 11 | 5 | 0 | 2 | 5 | 1 | 0 |
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2023_Holst_etal.pdf | 69 |