PMC:7274970 / 19745-19799 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T167","span":{"begin":0,"end":54},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" \u003c 50 years 76.0 (71.0–84.0) 44.5 (40.0–47.5) \u003c 0.0001"}