PubMed:32181672 / 1098-1100 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok227","span":{"begin":0,"end":2},"obj":"CD"}],"text":"43"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N6","span":{"begin":0,"end":2},"obj":"num"}],"text":"43"}