PubMed:32176772 / 740-742
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T147","span":{"begin":0,"end":2},"obj":"CD"}],"text":"29"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok165","span":{"begin":0,"end":2},"obj":"CD"}],"text":"29"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N5","span":{"begin":0,"end":2},"obj":"num"}],"text":"29"}