PubMed:32052373 / 1174-1175
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T160","span":{"begin":0,"end":1},"obj":"-RRB-"}],"text":")"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok179","span":{"begin":0,"end":1},"obj":")"}],"text":")"}