PubMed:32247320 / 783-788
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok133","span":{"begin":0,"end":5},"obj":"CD"},{"id":"lookup21","span":{"begin":0,"end":5},"obj":"time"},{"id":"lookup22","span":{"begin":0,"end":5},"obj":"number"}],"text":"three"}