PubMed:32217556 / 1294-1298
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok277","span":{"begin":0,"end":4},"obj":"NNS"},{"id":"lookup31","span":{"begin":0,"end":4},"obj":"date_unit"}],"text":"days"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"U1","span":{"begin":0,"end":4},"obj":"unit"}],"text":"days"}