PubMed:32031570 / 146-149
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T20","span":{"begin":0,"end":1},"obj":"-COMMA-"}],"text":", n"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok23","span":{"begin":0,"end":1},"obj":","}],"text":", n"}