PubMed:32031570 / 1763-1765
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T315","span":{"begin":0,"end":2},"obj":"CD"}],"text":"80"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok368","span":{"begin":0,"end":2},"obj":"CD"}],"text":"80"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N3","span":{"begin":0,"end":2},"obj":"num"}],"text":"80"}