PubMed:32164424 / 1154-1165
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T172","span":{"begin":0,"end":11},"obj":"JJ"}],"text":"substantial"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok198","span":{"begin":0,"end":11},"obj":"JJ"}],"text":"substantial"}