PubMed:32096367 / 134-138
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T22","span":{"begin":1,"end":2},"obj":"-LRB-"}],"text":" (CO"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok27","span":{"begin":1,"end":2},"obj":"("}],"text":" (CO"}