PubMed:32240634 / 1994-2019 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok365","span":{"begin":0,"end":5},"obj":"NN"},{"id":"tok366","span":{"begin":6,"end":10},"obj":"NN"},{"id":"tok367","span":{"begin":11,"end":19},"obj":"NN"},{"id":"tok368","span":{"begin":20,"end":25},"obj":"NN"}],"text":"crude case fatality ratio"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"E1","span":{"begin":0,"end":25},"obj":"entity"}],"text":"crude case fatality ratio"}