PubMed:32188729 / 1728-1731 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok258","span":{"begin":0,"end":3},"obj":"CD"},{"id":"lookup26","span":{"begin":0,"end":3},"obj":"time"},{"id":"lookup27","span":{"begin":0,"end":3},"obj":"number"}],"text":"two"}