PubMed:32176808 / 116-123
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T19","span":{"begin":3,"end":4},"obj":"-COMMA-"}],"text":"han, Ch"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok23","span":{"begin":3,"end":4},"obj":","}],"text":"han, Ch"}