PubMed:32243238 / 1670-1672 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok360","span":{"begin":0,"end":2},"obj":"CD"}],"text":"58"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N1","span":{"begin":0,"end":2},"obj":"num"}],"text":"58"}