PubMed:32174267 / 127-129
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T18","span":{"begin":0,"end":2},"obj":"NN"}],"text":"UP"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok20","span":{"begin":0,"end":2},"obj":"IN"}],"text":"UP"}