PubMed:32172546 / 95-106
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T16","span":{"begin":0,"end":11},"obj":"VB"}],"text":"investigate"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok19","span":{"begin":0,"end":11},"obj":"VB"},{"id":"event22","span":{"begin":0,"end":11},"obj":"I_ACTION"}],"text":"investigate"}