PubMed:32181672 / 1284-1286 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok275","span":{"begin":0,"end":2},"obj":"CD"}],"text":"44"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N3","span":{"begin":0,"end":2},"obj":"num"}],"text":"44"}