PubMed:32238216 / 403-406
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok87","span":{"begin":0,"end":3},"obj":"CD"}],"text":"617"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N5","span":{"begin":0,"end":3},"obj":"num"}],"text":"617"}