PubMed:32074786 / 1065-1076
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T166","span":{"begin":0,"end":11},"obj":"VBN"}],"text":"established"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok177","span":{"begin":0,"end":11},"obj":"VBN"},{"id":"event8","span":{"begin":0,"end":11},"obj":"OCCURRENCE"}],"text":"established"}