PubMed:32164400 / 88-99
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T13","span":{"begin":0,"end":11},"obj":"VB"}],"text":"investigate"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok16","span":{"begin":0,"end":11},"obj":"VB"},{"id":"event11","span":{"begin":0,"end":11},"obj":"I_ACTION"}],"text":"investigate"}