PubMed:32052373 / 1004-1009
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T140","span":{"begin":0,"end":5},"obj":"NN"}],"text":"paper"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok159","span":{"begin":0,"end":5},"obj":"NN"}],"text":"paper"}