PubMed:32134681 / 1767-1771
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T321","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"mean"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok380","span":{"begin":0,"end":4},"obj":"NN"}],"text":"mean"}