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Should the control arms of randomized trials have an expiry date?

Crossref DOI link: https://doi.org/10.1038/s41571-022-00624-2

Published Online: 2022-04-01

Published Print: 2022-07

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Kartolo, Adi

Gyawali, Bishal https://orcid.org/0000-0001-7444-8594
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Article History

First Online: 1 April 2022

Competing interests

: B.G. has acted as a consultant of Vivio Health. A.K. declares no competing interests.