PubMed:32050635 / 1665-1666
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T265","span":{"begin":0,"end":1},"obj":"-COMMA-"}],"text":","}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok281","span":{"begin":0,"end":1},"obj":","}],"text":","}