PubMed:32035431 / 260-267 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T47","span":{"begin":0,"end":7},"obj":"CD"}],"text":"Fifteen"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok54","span":{"begin":0,"end":7},"obj":"CD"},{"id":"lookup13","span":{"begin":0,"end":7},"obj":"number"}],"text":"Fifteen"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N1","span":{"begin":0,"end":7},"obj":"num"}],"text":"Fifteen"}