PubMed:32232433 / 1357-1370 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok240","span":{"begin":0,"end":4},"obj":"NN"},{"id":"tok241","span":{"begin":5,"end":6},"obj":"("},{"id":"tok242","span":{"begin":6,"end":8},"obj":"NNP"},{"id":"tok243","span":{"begin":8,"end":9},"obj":")"},{"id":"tok244","span":{"begin":10,"end":13},"obj":"NN"},{"id":"lookup29","span":{"begin":6,"end":8},"obj":"state"}],"text":"mean (SD) age"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"E2","span":{"begin":0,"end":13},"obj":"entity"}],"text":"mean (SD) age"}