PubMed:32141569 / 1632-1645
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T273","span":{"begin":0,"end":13},"obj":"VBG"}],"text":"investigating"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok309","span":{"begin":0,"end":13},"obj":"VBG"},{"id":"event3","span":{"begin":0,"end":13},"obj":"OCCURRENCE"}],"text":"investigating"}