PubMed:32240123 / 968-969 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok212","span":{"begin":0,"end":1},"obj":"CD"}],"text":"8"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"U2","span":{"begin":0,"end":1},"obj":"unit"}],"text":"8"}