Journal Article mula sa The Lancet ni Merryn Voysey et al, na may pamagat na Safety and Efficacy of the ChAdOx1 nCoV-19 Vaccine Against SARS-CoV-2: an Interim Analysis of Four Randomized Controlled Trials sa Brazil, South Africa, at UK, na may petsang 08/12/2020.
Idinagdag ang Module 4:
• Mga pahina 1-13 noong 20 Enero 2025
• Mga Pahina 1, 3-4 noong 23 Enero 2025