PMC:7796291 / 12964-13060 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T116","span":{"begin":0,"end":96},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"B) consisted of a single layer filter web of which fiber diameter ranged from 2.5 μm to 12.5 μm."}