PubMed:32031570 / 1899-1905
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T346","span":{"begin":0,"end":6},"obj":"VBD"}],"text":"showed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok406","span":{"begin":0,"end":6},"obj":"VBN"},{"id":"event15","span":{"begin":0,"end":6},"obj":"OCCURRENCE"}],"text":"showed"}