PubMed:32027573 / 1733-1736
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T349","span":{"begin":0,"end":3},"obj":"CD"}],"text":"854"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok378","span":{"begin":0,"end":3},"obj":"CD"}],"text":"854"}