PubMed:32061200 / 1090-1096
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T190","span":{"begin":0,"end":6},"obj":"VBD"}],"text":"turned"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok208","span":{"begin":0,"end":6},"obj":"VBD"},{"id":"event10","span":{"begin":0,"end":6},"obj":"OCCURRENCE"}],"text":"turned"}