PubMed:32022276 / 52-56
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T6","span":{"begin":1,"end":2},"obj":"NN"}],"text":" B c"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok7","span":{"begin":1,"end":2},"obj":"NNP"}],"text":" B c"}