PubMed:32171865 / 1366-1367
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T258","span":{"begin":0,"end":1},"obj":"-RRB-"}],"text":")"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok280","span":{"begin":0,"end":1},"obj":")"}],"text":")"}