PubMed:32133152 / 639-644
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T104","span":{"begin":0,"end":5},"obj":"NN"}],"text":"trend"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok116","span":{"begin":0,"end":5},"obj":"NN"}],"text":"trend"}