PubMed:32057212 / 585-589
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T94","span":{"begin":0,"end":4},"obj":"NN"}],"text":"work"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok97","span":{"begin":0,"end":4},"obj":"NN"}],"text":"work"}