PubMed:32118390 / 1694-1695
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok451","span":{"begin":0,"end":1},"obj":"CD"}],"text":"6"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N21","span":{"begin":0,"end":1},"obj":"num"}],"text":"6"}