PubMed:32088679 / 9-11
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T1","span":{"begin":1,"end":2},"obj":"-LRB-"}],"text":" ("}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok4","span":{"begin":1,"end":2},"obj":"("}],"text":" ("}