Assessing risk of bias: a proposal for a unified framework for observational studies and randomized trials
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Update policy: https://doi.org/10.1007/SPRINGER_CROSSMARK_POLICY
Luijendijk, Hendrika J.
Page, Matthew J.
Text and Data Mining valid from 2020-09-23
Version of Record valid from 2020-09-23
7 February 2020
4 September 2020
23 September 2020
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The authors declare that they have no competing interests.