PubMed:32172546 / 25-34
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T5","span":{"begin":1,"end":6},"obj":"CD"}],"text":" three CO"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok6","span":{"begin":1,"end":6},"obj":"CD"},{"id":"lookup1","span":{"begin":1,"end":6},"obj":"time"},{"id":"lookup2","span":{"begin":1,"end":6},"obj":"number"}],"text":" three CO"}