PubMed:32105637 / 1170-1174
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T217","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"mean"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok230","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"mean"}