PubMed:31996494 / 1239-1243
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T206","span":{"begin":0,"end":4},"obj":"VBP"}],"text":"need"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok228","span":{"begin":0,"end":4},"obj":"VBP"},{"id":"event6","span":{"begin":0,"end":4},"obj":"OCCURRENCE"}],"text":"need"}