PubMed:32055945 / 806-810
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T139","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"mean"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok160","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"mean"}