PubMed:32234127 / 1248-1253
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok283","span":{"begin":0,"end":5},"obj":"CD"},{"id":"lookup32","span":{"begin":0,"end":5},"obj":"time"},{"id":"lookup33","span":{"begin":0,"end":5},"obj":"number"}],"text":"three"}