PubMed:32167166 / 713-720
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T118","span":{"begin":0,"end":7},"obj":"VBN"}],"text":"changed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok137","span":{"begin":0,"end":7},"obj":"VBN"},{"id":"event1","span":{"begin":0,"end":7},"obj":"OCCURRENCE"}],"text":"changed"}