PubMed:32109279 / 942-944
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T154","span":{"begin":0,"end":2},"obj":"CD"}],"text":"63"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok172","span":{"begin":0,"end":2},"obj":"CD"}],"text":"63"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N1","span":{"begin":0,"end":2},"obj":"num"}],"text":"63"}