1.
Ann Intern Med
; 174(3): JC29, 2021 03.
Article
in English
| MEDLINE
| ID: mdl-33646835
ABSTRACT
SOURCE CITATION: Voysey M, Clemens SA, Madhi SA, et al. Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK. Lancet. 2021;397:99-111. 33306989.