PubMed:32222463 / 524-527 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok97","span":{"begin":0,"end":3},"obj":"CD"},{"id":"lookup14","span":{"begin":0,"end":3},"obj":"time"},{"id":"lookup15","span":{"begin":0,"end":3},"obj":"number"}],"text":"two"}