March 16, 2021
Nature Medicine
World Health Organization (WHO)
Official recommendation from the WHO Expert Working Group to unblind the control groups in the mRNA-vaccine trials.
Copyright © 2021, The Author(s), under exclusive licence to Springer Nature America, Inc.
Licensing and copyright
https://www.springernature.com/gp/open-science/policies/journal-policies/licensing-and-copyright
Rights, Permissions, Third Party Distribution
https://www.springernature.com/gp/partners/rights-permissions-third-party-distribution
document
clinical trials,COVID-19