PubMed:32181672 / 58-66 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok9","span":{"begin":2,"end":6},"obj":"CD"},{"id":"tok10","span":{"begin":7,"end":8},"obj":"("},{"id":"lookup2","span":{"begin":2,"end":6},"obj":"year"}],"text":"e 2019 ("}