PubMed:32056235 / 284-289
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T46","span":{"begin":0,"end":5},"obj":"VBN"}],"text":"begun"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok51","span":{"begin":0,"end":5},"obj":"VBN"},{"id":"event11","span":{"begin":0,"end":5},"obj":"I_ACTION"}],"text":"begun"}