PubMed:32234127 / 1074-1079
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok235","span":{"begin":0,"end":5},"obj":"CD"},{"id":"lookup26","span":{"begin":0,"end":5},"obj":"time"},{"id":"lookup27","span":{"begin":0,"end":5},"obj":"number"}],"text":"three"}