PubMed:32118390 / 323-325
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T46","span":{"begin":1,"end":2},"obj":"-COMMA-"}],"text":"s,"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok52","span":{"begin":1,"end":2},"obj":","}],"text":"s,"}