PubMed:32031570 / 2239-2240
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T420","span":{"begin":0,"end":1},"obj":"-RRB-"}],"text":")"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok494","span":{"begin":0,"end":1},"obj":")"}],"text":")"}