PMC:7781500 / 12991-13082 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T147","span":{"begin":0,"end":91},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Preventive practices RT-PCR positive n=126 (33.2%) RT-PCR negative n=253 (66.8%) p-value"}