PubMed:32077115 / 72-80
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T10","span":{"begin":2,"end":3},"obj":"-COMMA-"}],"text":"an, Chin"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok12","span":{"begin":2,"end":3},"obj":","}],"text":"an, Chin"}