PMC:7283670 / 103015-103065 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T897","span":{"begin":0,"end":50},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"changes in the ratio of PaO2 to FiO2 from baseline"}