PubMed:32104915 / 1762-1772
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T266","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevention"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok287","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevention"}