PubMed:32214079 / 51-62 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok8","span":{"begin":5,"end":9},"obj":"CD"},{"id":"tok9","span":{"begin":10,"end":11},"obj":"("},{"id":"lookup1","span":{"begin":5,"end":9},"obj":"year"}],"text":"ease 2019 ("}