PMC:7040011 / 497-608 JSONTXT

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{"project":"LitCovid-PD-CLO","denotations":[{"id":"T4","span":{"begin":60,"end":61},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" ACE2 expression and the infection of SARS-CoV in vitro3,4. A number of ACE2 variants could reduce the associat"}

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