PubMed:32156607 / 543-553
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T90","span":{"begin":0,"end":10},"obj":"VBG"}],"text":"preventing"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok94","span":{"begin":0,"end":10},"obj":"VBG"}],"text":"preventing"}