PubMed:32226287 / 967-969 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok180","span":{"begin":0,"end":2},"obj":"CD"}],"text":"80"}

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