PubMed:31967327 / 421-427
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T71","span":{"begin":0,"end":6},"obj":"VBN"}],"text":"caused"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok76","span":{"begin":0,"end":6},"obj":"VBN"},{"id":"event7","span":{"begin":0,"end":6},"obj":"OCCURRENCE"}],"text":"caused"}