PubMed:32238216 / 381-385
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok80","span":{"begin":0,"end":4},"obj":"CD"}],"text":"2550"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N4","span":{"begin":0,"end":4},"obj":"num"}],"text":"2550"}