PMC:7560808 / 13143-13228 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T139","span":{"begin":0,"end":85},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Author disclosures are available with the text of this letter at www.atsjournals.org."}