PubMed:32240670 / 732-735 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok138","span":{"begin":0,"end":3},"obj":"CD"}],"text":"159"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N6","span":{"begin":0,"end":3},"obj":"num"}],"text":"159"}