PubMed:32171740 / 481-492
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T76","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"authorities"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok87","span":{"begin":0,"end":11},"obj":"NNS"}],"text":"authorities"}