PMC:7796291 / 1559-1624 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T11","span":{"begin":39,"end":41},"obj":"Sentence"},{"id":"T12","span":{"begin":42,"end":54},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"on treatment methods for respirators.\n\n1. Introduction\nThe demand"}