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PubMed:32250385 / 1628-1631
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok294","span":{"begin":0,"end":3},"obj":"CD"}],"text":"709"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N1","span":{"begin":0,"end":3},"obj":"num"}],"text":"709"}