PubMed:32052373 / 1482-1489
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T207","span":{"begin":0,"end":7},"obj":"VB"}],"text":"improve"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok231","span":{"begin":0,"end":7},"obj":"VB"},{"id":"event17","span":{"begin":0,"end":7},"obj":"OCCURRENCE"}],"text":"improve"}