PMC:7784787 / 9-76 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":52,"end":60},"obj":"Sentence"},{"id":"T3","span":{"begin":61,"end":65},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" mask efficacy is dependent on both fabric and fit\n\nAbstract\nAim: F"}