PubMed:32077659 / 1775-1776
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T281","span":{"begin":0,"end":1},"obj":"-COMMA-"}],"text":","}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok298","span":{"begin":0,"end":1},"obj":","}],"text":","}