PubMed:32114745 / 852-861
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T150","span":{"begin":0,"end":9},"obj":"VBD"}],"text":"presented"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok196","span":{"begin":0,"end":9},"obj":"VBN"},{"id":"event2","span":{"begin":0,"end":9},"obj":"OCCURRENCE"}],"text":"presented"}