PubMed:32176772 / 1400-1407
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T295","span":{"begin":0,"end":7},"obj":"VB"}],"text":"improve"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok343","span":{"begin":0,"end":7},"obj":"VB"},{"id":"event19","span":{"begin":0,"end":7},"obj":"OCCURRENCE"}],"text":"improve"}