PubMed:32118640 / 3420-3424
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T596","span":{"begin":0,"end":4},"obj":"NN"}],"text":"risk"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok844","span":{"begin":0,"end":4},"obj":"NN"}],"text":"risk"}