PubMed:32088679 / 295-300
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T51","span":{"begin":0,"end":5},"obj":"VBD"}],"text":"began"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok56","span":{"begin":0,"end":5},"obj":"VBD"},{"id":"event6","span":{"begin":0,"end":5},"obj":"ASPECTUAL"}],"text":"began"}