PubMed:32134681 / 40-43
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T6","span":{"begin":0,"end":1},"obj":"-LRB-"}],"text":"(CO"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok7","span":{"begin":0,"end":1},"obj":"("}],"text":"(CO"}