PubMed:32075365 / 1143-1147
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T180","span":{"begin":0,"end":4},"obj":"NNS"}],"text":"days"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok189","span":{"begin":0,"end":4},"obj":"NNS"},{"id":"lookup30","span":{"begin":0,"end":4},"obj":"date_unit"}],"text":"days"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"U3","span":{"begin":0,"end":4},"obj":"unit"}],"text":"days"}