PubMed:32217650 / 278-287 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok49","span":{"begin":2,"end":6},"obj":"CD"},{"id":"tok50","span":{"begin":7,"end":8},"obj":"("},{"id":"lookup6","span":{"begin":2,"end":6},"obj":"year"}],"text":"e 2019 (C"}