PubMed:32141569 / 918-925
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T154","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"several"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok176","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"several"}