PubMed:32188729 / 390-393
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok50","span":{"begin":0,"end":3},"obj":"CD"},{"id":"lookup8","span":{"begin":0,"end":3},"obj":"time"},{"id":"lookup9","span":{"begin":0,"end":3},"obj":"number"}],"text":"two"}