PubMed:32217834 / 80-87 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok16","span":{"begin":2,"end":4},"obj":"CD"},{"id":"tok17","span":{"begin":4,"end":5},"obj":")"},{"id":"tok18","span":{"begin":5,"end":6},"obj":","}],"text":"D-19), "}