PMC:7796111 / 67831-67914 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T514","span":{"begin":0,"end":83},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Item Response Option Total Sample(n = 99) First Year(n = 69) Final Year(n = 30)"}