PubMed:32077115 / 715-725 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T112","span":{"begin":0,"end":6},"obj":"JJ"},{"id":"EnjuParser_T113","span":{"begin":7,"end":10},"obj":"NN"}],"relations":[{"id":"EnjuParser_R113","pred":"arg1Of","subj":"EnjuParser_T113","obj":"EnjuParser_T112"}],"text":"median age"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok126","span":{"begin":0,"end":6},"obj":"JJ"},{"id":"tok127","span":{"begin":7,"end":10},"obj":"NN"}],"text":"median age"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"E2","span":{"begin":0,"end":10},"obj":"entity"}],"text":"median age"}