PubMed:32167153 / 112-115
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T15","span":{"begin":2,"end":3},"obj":"-COMMA-"}],"text":"us,"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok17","span":{"begin":2,"end":3},"obj":","}],"text":"us,"}