PubMed:32074786 / 402-412
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T64","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevention"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok68","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevention"}