PubMed:32247931 / 32-38 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok6","span":{"begin":0,"end":4},"obj":"CD"},{"id":"tok7","span":{"begin":4,"end":5},"obj":":"},{"id":"lookup1","span":{"begin":0,"end":4},"obj":"year"}],"text":"2019-n"}