PubMed:32118390 / 1251-1254
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T127","span":{"begin":0,"end":3},"obj":"CD"}],"text":"139"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok293","span":{"begin":0,"end":3},"obj":"CD"}],"text":"139"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N7","span":{"begin":0,"end":3},"obj":"num"}],"text":"139"}