PMC:7255289 / 0-121 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T1","span":{"begin":0,"end":118},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Pretreated household materials carry similar filtration protection against pathogens when compared with surgical masks\n\nH"}