PubMed:32133830 / 1718-1725
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T316","span":{"begin":0,"end":7},"obj":"NN"}],"text":"cluster"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok352","span":{"begin":0,"end":7},"obj":"NN"}],"text":"cluster"}