PubMed:32105637 / 642-649
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T100","span":{"begin":0,"end":7},"obj":"VBN"}],"text":"grouped"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok109","span":{"begin":0,"end":7},"obj":"VBN"},{"id":"event11","span":{"begin":0,"end":7},"obj":"OCCURRENCE"}],"text":"grouped"}