PubMed:32056249 / 861-867
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T135","span":{"begin":0,"end":6},"obj":"NN"}],"text":"threat"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok148","span":{"begin":0,"end":6},"obj":"NN"}],"text":"threat"}