PubMed:32061198 / 265-274
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T48","span":{"begin":0,"end":9},"obj":"JJ"}],"text":"effective"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok54","span":{"begin":0,"end":9},"obj":"JJ"}],"text":"effective"}