PubMed:32224151 / 1446-1448 JSONTXT

Annnotations TAB JSON ListView MergeView

    LitCovid-TimeML

    {"project":"LitCovid-TimeML","denotations":[{"id":"tok318","span":{"begin":0,"end":2},"obj":"CD"}],"text":"21"}

    MeasurableQuantitativeAnnotation

    {"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N1","span":{"begin":0,"end":2},"obj":"num"}],"text":"21"}