PubMed:32102777 / 1650-1660
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T257","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevention"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok290","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevention"}