PubMed:32118389 / 1927-1928 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok430","span":{"begin":0,"end":1},"obj":"CD"}],"text":"3"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N12","span":{"begin":0,"end":1},"obj":"num"}],"text":"3"}