PubMed:32052373 / 575-582
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T81","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"optimal"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok98","span":{"begin":0,"end":7},"obj":"NN"}],"text":"optimal"}