PubMed:32035431 / 307-317 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T58","span":{"begin":0,"end":6},"obj":"JJ"},{"id":"EnjuParser_T59","span":{"begin":7,"end":10},"obj":"NN"}],"relations":[{"id":"EnjuParser_R59","pred":"arg1Of","subj":"EnjuParser_T59","obj":"EnjuParser_T58"}],"text":"median age"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok67","span":{"begin":0,"end":6},"obj":"JJ"},{"id":"tok68","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"}