Covid-19: Biden buys 200 million doses of vaccines to tackle supply shortages across US. Tanne JH. BMJ 2021;372:n246.

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Amedeo Smart

Independent Medical Education

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Tanne JH. Covid-19: Biden buys 200 million doses of vaccines to tackle supply shortages across US. BMJ 2021;372:n246.
PMID: 33504492