PubMed:32234127 / 1190-1191
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok255","span":{"begin":0,"end":1},"obj":"CD"}],"text":"6"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N2","span":{"begin":0,"end":1},"obj":"num"}],"text":"6"}