PubMed:32167524 / 306-310
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T48","span":{"begin":0,"end":4},"obj":"NN"}],"text":"Risk"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok52","span":{"begin":0,"end":4},"obj":"NN"}],"text":"Risk"}