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The COVID pandemic’s lingering impact on clinical trials
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Nature 595, 341-342 (2021)
doi: https://doi.org/10.1038/d41586-021-01569-9
References
Unger, J. M. & Xiao, H. Trials 22, 260 (2021).
Fleury, M. E., Farner, A. M. & Unger, J. M. JAMA Oncol. 7, 131–132 (2021).