PMC:7780429 / 17324-17405 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T170","span":{"begin":0,"end":81},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Filter mask versus surgical 2.08 1.07 to 4.07 0.026 2.14 1.07 to 4.32 0.027"}