PubMed:32118390 / 637-640
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok119","span":{"begin":0,"end":3},"obj":"CD"}],"text":"505"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N4","span":{"begin":0,"end":3},"obj":"num"}],"text":"505"}