PubMed:32247326 / 810-813 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok139","span":{"begin":0,"end":3},"obj":"CD"},{"id":"lookup31","span":{"begin":0,"end":3},"obj":"time"},{"id":"lookup32","span":{"begin":0,"end":3},"obj":"number"}],"text":"two"}