PMC:7274970 / 20063-20118 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T173","span":{"begin":0,"end":55},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" 50–70 years 80.0 (75.0–85.0) 45.0 (40.0–50.0) \u003c 0.0001"}