PubMed:32220243 / 176-180
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok37","span":{"begin":0,"end":4},"obj":"CD"}],"text":"3073"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N2","span":{"begin":0,"end":4},"obj":"num"}],"text":"3073"}