PubMed:32074786 / 655-664
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T104","span":{"begin":0,"end":9},"obj":"VBN"}],"text":"conducted"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok110","span":{"begin":0,"end":9},"obj":"VBN"},{"id":"event34","span":{"begin":0,"end":9},"obj":"OCCURRENCE"}],"text":"conducted"}