PubMed:32239591 / 775-776
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok145","span":{"begin":0,"end":1},"obj":"CD"}],"text":"1"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"U3","span":{"begin":0,"end":1},"obj":"unit"}],"text":"1"}