PubMed:32167153 / 116-125
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T16","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"referred "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok18","span":{"begin":0,"end":8},"obj":"VBD"},{"id":"event2","span":{"begin":0,"end":8},"obj":"OCCURRENCE"}],"text":"referred "}