PubMed:32062957 / 1023-1024
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok212","span":{"begin":0,"end":1},"obj":"CD"}],"text":"9"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N7","span":{"begin":0,"end":1},"obj":"num"}],"text":"9"}