PubMed:32105637 / 2091-2093
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T455","span":{"begin":0,"end":2},"obj":"CD"}],"text":"12"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok501","span":{"begin":0,"end":2},"obj":"CD"}],"text":"12"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N5","span":{"begin":0,"end":2},"obj":"num"}],"text":"12"}