PubMed:32094589 / 133-140
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T20","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"several"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok24","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"several"}