PubMed:32211816 / 3077-3078
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok863","span":{"begin":0,"end":1},"obj":"."}],"text":"."}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"U4","span":{"begin":0,"end":1},"obj":"unit"}],"text":"."}