PubMed:32134681 / 3230-3241
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T621","span":{"begin":0,"end":11},"obj":"NN"}],"text":"aggravation"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok727","span":{"begin":0,"end":11},"obj":"NN"}],"text":"aggravation"}