PubMed:32053389 / 105-116 JSONTXT

Annnotations TAB JSON ListView MergeView

    LitCovid-TimeML

    {"project":"LitCovid-TimeML","denotations":[{"id":"tok20","span":{"begin":1,"end":6},"obj":"NNS"},{"id":"lookup1","span":{"begin":1,"end":6},"obj":"date_unit"}],"text":" weeks befo"}