PMC:7160614 / 1049-1167 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T12","span":{"begin":33,"end":102},"obj":"Sentence"},{"id":"T13","span":{"begin":104,"end":111},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" operating characteristic curve. Clinical usage was evaluated by decision curve analysis and nomogram.\n\nResults\nEighte"}