PubMed:32214079 / 50-62
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok8","span":{"begin":6,"end":10},"obj":"CD"},{"id":"tok9","span":{"begin":11,"end":12},"obj":"("},{"id":"lookup1","span":{"begin":6,"end":10},"obj":"year"}],"text":"sease 2019 ("}