PubMed:32074786 / 2248-2254
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T338","span":{"begin":0,"end":6},"obj":"NN"}],"text":"choice"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok364","span":{"begin":0,"end":6},"obj":"NN"}],"text":"choice"}