PubMed:32064855 / 23-30
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T5","span":{"begin":0,"end":7},"obj":"NN"}],"text":"cluster"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok6","span":{"begin":0,"end":7},"obj":"NN"}],"text":"cluster"}