PubMed:32077115 / 1829-1832
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T316","span":{"begin":0,"end":3},"obj":"CD"}],"text":"140"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok380","span":{"begin":0,"end":3},"obj":"CD"}],"text":"140"}