PubMed:31996494 / 115-123 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok30","span":{"begin":2,"end":6},"obj":"CD"},{"id":"tok31","span":{"begin":6,"end":7},"obj":":"},{"id":"lookup5","span":{"begin":2,"end":6},"obj":"year"}],"text":"e 2019-n"}