PubMed:31986264 / 1280-1281
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T204","span":{"begin":0,"end":1},"obj":"-RRB-"}],"text":"]"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok222","span":{"begin":0,"end":1},"obj":"NN"}],"text":"]"}