PubMed:32241899 / 1331-1334
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok272","span":{"begin":0,"end":3},"obj":"CD"},{"id":"lookup30","span":{"begin":0,"end":3},"obj":"time"},{"id":"lookup31","span":{"begin":0,"end":3},"obj":"number"}],"text":"two"}