PubMed:32007621 / 8-11
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T1","span":{"begin":0,"end":1},"obj":"-COMMA-"}],"text":", M"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok2","span":{"begin":0,"end":1},"obj":","}],"text":", M"}