PubMed:32096367 / 3999-4009
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T554","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevention"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok612","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevention"}