PMC:7780429 / 409-449 JSONTXT

Annnotations TAB JSON ListView MergeView

    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T6","span":{"begin":3,"end":10},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":".\n\nMethods\nCross-sectional study in a te"}