PubMed:32176772 / 1251-1257
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T271","span":{"begin":0,"end":6},"obj":"VBD"}],"text":"showed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok316","span":{"begin":0,"end":6},"obj":"VBD"},{"id":"event5","span":{"begin":0,"end":6},"obj":"OCCURRENCE"}],"text":"showed"}