PubMed:32027573 / 1719-1722
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T345","span":{"begin":0,"end":3},"obj":"CD"}],"text":"470"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok374","span":{"begin":0,"end":3},"obj":"CD"}],"text":"470"}