PubMed:32112549 / 470-475
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T75","span":{"begin":0,"end":5},"obj":"NN"}],"text":"staff"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok78","span":{"begin":0,"end":5},"obj":"NN"}],"text":"staff"}