PubMed:32133830 / 1481-1490
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T273","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"employees"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok307","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"employees"}