PubMed:31986264 / 2148-2150
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T430","span":{"begin":0,"end":2},"obj":"CD"}],"text":"12"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok472","span":{"begin":0,"end":2},"obj":"CD"}],"text":"12"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N6","span":{"begin":0,"end":2},"obj":"num"}],"text":"12"}