PMC:7164859 / 2291-2377 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T20","span":{"begin":0,"end":86},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Most of the studies published on the risk of transmission have used in vitro analyses."}