PubMed:32176772 / 743-745
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T149","span":{"begin":0,"end":2},"obj":"CD"}],"text":"42"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok167","span":{"begin":0,"end":2},"obj":"CD"}],"text":"42"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N6","span":{"begin":0,"end":2},"obj":"num"}],"text":"42"}