PubMed:32027573 / 1181-1183
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T225","span":{"begin":0,"end":2},"obj":"CD"}],"text":"30"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok250","span":{"begin":0,"end":2},"obj":"CD"}],"text":"30"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N1","span":{"begin":0,"end":2},"obj":"num"}],"text":"30"}