Search for better COVID vaccines confounded by existing rollouts.
Nature
; 589(7842): 340-341, 2021 01.
Article
in English
| MEDLINE | ID: covidwho-1065822
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
Research Design
/
Clinical Trials as Topic
/
Patient Selection
/
COVID-19 Vaccines
/
COVID-19
Type of study:
Experimental Studies
/
Prognostic study
/
Randomized controlled trials
Topics:
Vaccines
Limits:
Humans
Language:
English
Journal:
Nature
Year:
2021
Document Type:
Article
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