PubMed:32062957 / 1035-1037
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok215","span":{"begin":0,"end":2},"obj":"CD"}],"text":"30"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N8","span":{"begin":0,"end":2},"obj":"num"}],"text":"30"}