PubMed:32234127 / 1224-1225 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok275","span":{"begin":0,"end":1},"obj":"CD"}],"text":"3"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N6","span":{"begin":0,"end":1},"obj":"num"}],"text":"3"}