PubMed:32250385 / 1564-1568
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok278","span":{"begin":0,"end":4},"obj":"CD"}],"text":"1304"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N2","span":{"begin":0,"end":4},"obj":"num"}],"text":"1304"}