PubMed:32181672 / 1465-1467 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok323","span":{"begin":0,"end":2},"obj":"CD"}],"text":"80"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N2","span":{"begin":0,"end":2},"obj":"num"}],"text":"80"}