PubMed:32181807 / 149-167 JSONTXT

Annnotations TAB JSON ListView MergeView

    LitCovid-TimeML

    {"project":"LitCovid-TimeML","denotations":[{"id":"tok25","span":{"begin":9,"end":10},"obj":":"},{"id":"tok26","span":{"begin":11,"end":17},"obj":"JJ"}],"text":"ACKGROUND: Recent "}