PubMed:32250385 / 877-880 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok150","span":{"begin":0,"end":3},"obj":"CD"},{"id":"lookup20","span":{"begin":0,"end":3},"obj":"time"},{"id":"lookup21","span":{"begin":0,"end":3},"obj":"number"}],"text":"one"}