PubMed:32141570 / 2283-2294
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T376","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"authorities"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok422","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"authorities"}