PubMed:32077115 / 73-80
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T10","span":{"begin":1,"end":2},"obj":"-COMMA-"}],"text":"n, Chin"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok12","span":{"begin":1,"end":2},"obj":","}],"text":"n, Chin"}