PubMed:32062875 / 44-61
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T7","span":{"begin":13,"end":15},"obj":"IN"}],"text":"racteristics of 3"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok8","span":{"begin":13,"end":15},"obj":"IN"}],"text":"racteristics of 3"}