PubMed:32093211 / 566-570
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T95","span":{"begin":0,"end":4},"obj":"CD"}],"text":"2009"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok104","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup23","span":{"begin":0,"end":4},"obj":"year"}],"text":"2009"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N2","span":{"begin":0,"end":4},"obj":"num"}],"text":"2009"}